Dr. Mansoor Sheik-Bahae Profile

Dr. Mansoor Sheik-Bahae

Deceased at Univ of New Mexico

SPIE Involvement:

Conference Program Committee | Author | Editor

Publications (129)

Proceedings Article | 13 March 2024 Presentation

Advances in MECSEL technology

Mingyang Zhang, Nathan Giannini-Hutchin, Gar-Wing Truong, Garrett Cole, Alexander Albrecht, Mansoor Sheik-Bahae

Proceedings Volume PC12868, PC1286809 (2024) https://doi.org/10.1117/12.3001729

KEYWORDS: Sodium, Silicon carbide, YAG lasers, Wafer bonding, Tunable filters, Solids, Semiconductors, Semiconductor lasers, Optical filters, Mirrors

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Proceedings Article | 13 March 2024 Presentation

Saturation and power scaling in cryogenic optical refrigeration of Yb:YLF

Jackson Kock, Duncan McGraw, Alexander Neumann, Denis Seletskiy, Alexander Albrecht, Mansoor Sheik-Bahae

Proceedings Volume PC12902, PC1290205 (2024) https://doi.org/10.1117/12.3005373

KEYWORDS: Cryogenics, Spontaneous emission, Scattering, Optical coatings, Fluorescence, Cryocoolers

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Proceedings Article | 17 March 2023 Presentation

A single-mode high-power in-well pumped hybrid-MECSEL at 589 nm

Mingyang Zhang, Alexander Albrecht, Gar-Wing Truong, Garrett Cole, Mansoor Sheik-Bahae

Proceedings Volume 12404, 124040A (2023) https://doi.org/10.1117/12.2649412

KEYWORDS: Silicon carbide, YAG lasers, Thermal efficiency, Sodium guide stars, Sodium, Second-harmonic generation, Optical filters, Fabry–Perot interferometers, Diamond, Chemical species

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Proceedings Article | 17 March 2023 Presentation

Demonstration of diode-pumped optical refrigeration to cryogenic temperature

Alexander Albrecht, Jackson Kock, Seth Melgaard, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume PC12437, PC1243708 (2023) https://doi.org/10.1117/12.2652259

KEYWORDS: Cryogenics, Laser crystals, Crystals, Semiconductor lasers, High power fiber lasers, Fiber coupled lasers, Diodes, Dielectric mirrors, Absorption

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Proceedings Article | 17 March 2023 Presentation

Payload cooling to <125K using optical refrigeration in Yb:YLF

Jackson Kock, Alexander Albrecht, Duncan McGraw, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume PC12437, PC1243706 (2023) https://doi.org/10.1117/12.2652253

KEYWORDS: Luminescence, Reflectivity, Optical coatings, Mirrors, Crystals, Cryocoolers

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Proceedings Article | 15 March 2023 Presentation + Paper

Laser cooling silica: current status and future prospects

Brian Topper, Alexander Neumann, Alexander Albrecht, Angel Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume 12437, 1243703 (2023) https://doi.org/10.1117/12.2655228

KEYWORDS: Ytterbium, Silica, Fluorescence, Glasses, Aluminum, Spectroscopy, Emission wavelengths, Air force, Absorption, Temperature metrology

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Proceedings Article | 9 March 2022 Presentation

Advances in the optical refrigeration of silica: cooling by 18 K from room temperature

Brian Topper, Mostafa Peysokhan, Alexander Albrecht, Angel Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume PC12018, PC1201808 (2022) https://doi.org/10.1117/12.2610103

KEYWORDS: Silica, Optical fibers, Ytterbium, Temperature metrology, Thermometry, Optical amplifiers, Luminescence, High power fiber amplifiers, Glasses, Cameras

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Proceedings Article | 9 March 2022 Presentation

Power scaling of Yb-based optical cryo-coolers

Jackson Kock, Azzurra Volpi, Alexander Albrecht, Duncan McGraw, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume PC12018, PC1201803 (2022) https://doi.org/10.1117/12.2611600

KEYWORDS: Crystals, Luminescence, Laser scattering, Laser crystals, Algorithm development, Thermometry, Scattering, Reflection, Modeling, Mirror mounts

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Proceedings Article | 4 March 2022 Presentation + Paper

Analysis of MECSEL mode-locking

Mansoor Sheik-Bahae

Proceedings Volume 11984, 1198405 (2022) https://doi.org/10.1117/12.2610991

KEYWORDS: Mode locking, Quantum wells, Silicon carbide, Mirrors, Semiconductors, Refraction, Dispersion, Dielectric mirrors, Solid state lasers, Semiconductor materials

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Proceedings Article | 4 March 2022 Presentation + Paper

High-power in-well pumped MECSEL emitting at 1178 nm for sodium guide star applications

Mingyang Zhang, Davide Priante, Alexander Albrecht, Garrett Cole, Mansoor Sheik-Bahae

Proceedings Volume 11984, 1198403 (2022) https://doi.org/10.1117/12.2609740

KEYWORDS: Quantum wells, Semiconductor lasers, Silicon carbide, Diamond, Aspheric lenses, Sodium guide stars, Absorption, Laser guide stars, Gallium arsenide

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Proceedings Article | 4 March 2022 Presentation

Anti-Stokes fluorescence cooling of ytterbium doped silica glass for radiation-balanced fiber lasers

Proceedings Volume PC11981, PC119810N (2022) https://doi.org/10.1117/12.2615241

KEYWORDS: Fiber lasers, Silica, Ytterbium, Luminescence, Glasses

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Proceedings Article | 4 March 2022 Presentation + Paper

The role of absorption saturation and amplified spontaneous emission in cryogenic optical refrigeration

Mansoor Sheik-Bahae, Jackson Kock

Proceedings Volume 12018, 1201803 (2022) https://doi.org/10.1117/12.2615924

KEYWORDS: Crystals, Absorption, Luminescence, Cryogenics, Laser crystals, Mirrors, Solids, Polarization, Ions, Temperature metrology

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Proceedings Article | 4 March 2022 Presentation + Paper

GaAs-based cryocoolers for space-borne optical clocks

Mansoor Sheik-Bahae

Proceedings Volume 12018, 1201804 (2022) https://doi.org/10.1117/12.2610988

KEYWORDS: Gallium arsenide, Luminescence, Crystals, External quantum efficiency, Semiconductors, Cryocoolers, Silicon

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Proceedings Article | 5 March 2021 Presentation

Anti-Stokes fluorescence cooling of a Yb-doped silica glass preform using a high-power laser

Esmaeil Mobini, Saeid Rostami, Mostafa Peysokhan, Alexander Albrecht, Stefan Kuhn, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Ramona Eberhardt, Angel Flores, Andreas Tünnermann, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume 11702, 1170208 (2021) https://doi.org/10.1117/12.2579925

KEYWORDS: Silica, Glasses, Luminescence, High power lasers, Optical fibers, Optical amplifiers, High power fiber amplifiers, Absorption, High power fiber lasers, Fiber lasers

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Proceedings Article | 5 March 2021 Presentation

Observation of optical refrigeration in Ho:BYF crystal

Saeid Rostami, Mansoor Sheik-Bahae

Proceedings Volume 11702, 1170205 (2021) https://doi.org/10.1117/12.2582587

KEYWORDS: Crystals, Crystal optics, Temperature metrology, Spectroscopy, Laser crystals, Absorption, Modulation, External quantum efficiency

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Proceedings Article | 5 March 2021 Presentation + Paper

Mode scaling in radiation balanced disk lasers for various gain materials

Azzurra Volpi, Jackson Kock, Alexander Albrecht, Saeid Rostami, Markus Hehlen, Mansoor Sheik-Bahae

Proceedings Volume 11702, 117020U (2021) https://doi.org/10.1117/12.2582831

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Proceedings Article | 5 March 2021 Presentation

High-power DBR-free VECSELs emitting at 1178 nm for sodium guide star applications

Davide Priante, Mingyang Zhang, Alexander Albrecht, David Follman, Catherine Nguyen, Garrett Cole, Mansoor Sheik-Bahae

Proceedings Volume 11704, 117040G (2021) https://doi.org/10.1117/12.2578600

KEYWORDS: Sodium guide stars, Semiconductors, Semiconductor lasers, Surveillance, Stellar astronomy, Silicon carbide, Second-harmonic generation, Resistance, Light emitting diodes

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Proceedings Article | 5 March 2021 Presentation

Bridgman growth of LLF:Yb single-crystals for laser cooling and radiation-balanced lasers

Azzurra Volpi, Jackson Kock, Alexander Albrecht, Mansoor Sheik-Bahae, Markus Hehlen

Proceedings Volume 11702, 117020Q (2021) https://doi.org/10.1117/12.2582835

KEYWORDS: Crystals, Optical spectroscopy

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Proceedings Article | 17 March 2020 Presentation

Crystal growth and characterization of Yb3+-doped LiLuF4 for radiation-balanced lasers (Conference Presentation)

Azzurra Volpi, Daniel Biner, Karl Krämer, Alexander Albrecht, Mansoor Sheik-Bahae, Markus Hehlen

Proceedings Volume 11298, 112980A (2020) https://doi.org/10.1117/12.2543608

KEYWORDS: Crystals, Laser crystals, Carbon, Scanning electron microscopy, Laser development, Laser induced fluorescence, Contamination, Crystallography, Temperature metrology, Cameras

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Proceedings Article | 9 March 2020 Presentation

Observation of anti-Stokes fluorescence cooling of ytterbium-doped silica glass (Conference Presentation)

Proceedings Volume 11298, 112980G (2020) https://doi.org/10.1117/12.2545233

KEYWORDS: Luminescence, Silica, Glasses, Fiber amplifiers, Optical amplifiers, Fiber lasers, Laser damage threshold, High power lasers, High power fiber amplifiers, ZBLAN

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Proceedings Article | 9 March 2020 Presentation

The role of absorption saturation in optical refrigeration (Conference Presentation)

Azzurra Volpi, Jackson Kock, Alexander Albrecht, Markus Hehlen, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume 11298, 1129809 (2020) https://doi.org/10.1117/12.2547681

KEYWORDS: Absorption, Temperature metrology, Cryogenics, Crystals

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Proceedings Article | 9 March 2020 Presentation

Advances in optical cryo-cooler device development (Conference Presentation)

Jackson Kock, Junwei Meng, Azzurra Volpi, Alexander Albrecht, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume 11298, 1129808 (2020) https://doi.org/10.1117/12.2547614

KEYWORDS: Crystals, Thermography, Absorption, Magnesium fluoride, Cryocoolers, Laser crystals, Crystallography, Optical coatings, Silicon

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Proceedings Article | 24 February 2020 Presentation + Paper

Power scaling of mid-IR optical refrigeration and radiation balanced lasers

Saeid Rostami, Alexander Albrecht, Arash Mafi, Mansoor Sheik-Bahae

Proceedings Volume 11298, 112980C (2020) https://doi.org/10.1117/12.2545509

KEYWORDS: Crystals, Mid-IR, Laser crystals, Absorption, Mirrors, Luminescence, Ions, Temperature metrology, Fiber amplifiers, Optical parametric oscillators

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Proceedings Article | 24 February 2020 Paper

Fluorescence up-conversion for differential luminescence thermometry in Ho-doped crystals

Saeid Rostami, Mansoor Sheik-Bahae

Proceedings Volume 11298, 112980T (2020) https://doi.org/10.1117/12.2545518

KEYWORDS: Crystals, Luminescence, Thermometry, Mid-IR, Spectrometers, Crystallography, Temperature metrology, Visible radiation, Laser scattering, Temperature sensors

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Proceedings Article | 13 March 2019 Presentation

16 W DBR-free semiconductor disk laser using dual-SiC-heatspreader (Conference Presentation)

Zhou Yang, David Follman, Dominic Bachmann, Paula Heu, Alexander Albrecht, Garrett Cole, Mansoor Sheik-Bahae

Proceedings Volume 10901, 109010B (2019) https://doi.org/10.1117/12.2508856

KEYWORDS: Semiconductors, Semiconductor lasers, Disk lasers, Distributed Bragg reflectors, Resistance, Thermal analysis, Thermal efficiency, Silicon carbide

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Proceedings Article | 13 March 2019 Presentation

Active meta-mirror concepts for VECSELs (Conference Presentation)

David Lidsky, Zhou Yang, Mansoor Sheik-Bahae

Proceedings Volume 10901, 1090105 (2019) https://doi.org/10.1117/12.2509140

KEYWORDS: Reflectivity, Optics manufacturing, Optoelectronics, Optical filters, Laser applications, Reflectors, Refractive index, Disk lasers, Active optics, Wave propagation

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Proceedings Article | 4 March 2019 Presentation

Optimization of high-power radiation-balanced disc lasers (Conference Presentation)

Mansoor Sheik-Bahae, Zhou Yang, Saeid Rostami

Proceedings Volume 10936, 109360Q (2019) https://doi.org/10.1117/12.2508878

KEYWORDS: High power lasers, Crystals, Laser crystals

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Proceedings Article | 4 March 2019 Presentation

Radiation-balanced thin-disk lasers in Yb:YAG and Yb:YLF (Conference Presentation)

Zhou Yang, Junwei Meng, Alexander Albrecht, Jackson Kock, Mansoor Sheik-Bahae

Proceedings Volume 10936, 109360O (2019) https://doi.org/10.1117/12.2508907

KEYWORDS: Absorption, High power lasers

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Proceedings Article | 4 March 2019 Presentation

Cryocooling arbitrary payloads: optical refrigeration coming of age (Conference Presentation)

Junwei Meng, Alexander Albrecht, Azzurra Volpi, Markus Hehlen, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume 10936, 109360C (2019) https://doi.org/10.1117/12.2508825

KEYWORDS: Crystals, Mercury cadmium telluride, Infrared sensors, Environmental sensing, Luminescence, Thermography, Thermal modeling

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Proceedings Article | 1 March 2019 Presentation + Paper

Bridgman growth of LiYF4 and LiLuF4 crystals for radiation-balanced lasers

Azzurra Volpi, Junwei Meng, Alexander Albrecht, Mansoor Sheik-Bahae, Daniel Biner, Karl Krämer, Markus Hehlen

Proceedings Volume 10936, 109360P (2019) https://doi.org/10.1117/12.2510691

KEYWORDS: Crystals, Laser induced fluorescence, Laser crystals, Solid state lasers, Ytterbium, Scanning electron microscopy

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Proceedings Article | 1 March 2019 Presentation + Paper

Progress towards optical cryocooling in Mid-IR

Saeid Rostami, Azzurra Volpi, Alexander Albrecht, Mansoor Sheik-Bahae

Proceedings Volume 10936, 109360H (2019) https://doi.org/10.1117/12.2509017

KEYWORDS: Crystals, Mid-IR, Laser crystals, Absorption, Luminescence, Optical parametric oscillators, Fiber lasers, Mirrors, Holmium, External quantum efficiency, Solid state lasers, Diode pumped solid state lasers, Fluorescence spectroscopy, Absorption spectroscopy, Thermal effects

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Proceedings Article | 9 May 2018 Presentation + Paper

Realization of an all-solid-state cryocooler using optical refrigeration

Junwei Meng, Alexander Albrecht, Aram Gragossian, Eric Lee, Azzurra Volpi, Mohammadreza Ghasemkhani, Markus Hehlen, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume 10626, 106260B (2018) https://doi.org/10.1117/12.2305195

KEYWORDS: Crystals, Luminescence, Absorption, Laser crystals, Mirrors, Cryocoolers, Silicon, Thermography, Temperature sensors, Ytterbium

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Proceedings Article | 14 March 2018 Presentation

Advances in mid-IR solid-state optical cooling and radiation-balanced lasers (Conference Presentation)

Saeid Rostami, Zhou Yang, Alexander Albrecht, Aram Gragossian, Mostafa Peysokhan, Mohammadreza Ghasemkhani, Azzurra Volpi, Mauro Tonelli, Mansoor Sheik-Bahae

Proceedings Volume 10550, 105500Q (2018) https://doi.org/10.1117/12.2292267

KEYWORDS: Mid-IR, Crystals, Laser crystals, Solid state lasers, Solid state physics, Laser optics, External quantum efficiency, Optical cooling, Cryocoolers, High power lasers

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Proceedings Article | 14 March 2018 Presentation

Bridgman growth of fluoride crystals for radiation-balanced lasers (Conference Presentation)

Markus Hehlen, Azzurra Volpi, Junwei Meng, Alexander Albrecht, Mansoor Sheik-Bahae

Proceedings Volume 10550, 1055007 (2018) https://doi.org/10.1117/12.2284732

KEYWORDS: Crystals, Laser crystals, Solid state lasers, External quantum efficiency, Absorption, Crystal optics, Ytterbium, Solid state physics, Thermography, Material purity

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Proceedings Article | 14 March 2018 Presentation

Investigation of temperature dependence of quantum efficiency and parasitic absorption in rare-earth doped crystals (Conference Presentation)

Aram Gragossian, Azzurra Volpi, Junwei Meng, Alexander Albrecht, Saeid Rostami, Markus Hehlen, Mansoor Sheik-Bahae

Proceedings Volume 10550, 1055006 (2018) https://doi.org/10.1117/12.2292265

KEYWORDS: Temperature metrology, Absorption, Crystals, Luminescence, Quantum efficiency, Crystal optics, Lasers, Solid state electronics, Measurement devices, External quantum efficiency

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Proceedings Article | 22 February 2018 Presentation + Paper

Understanding the origin of parasitic absorption in GaAs double heterostructures

Nathan Giannini, Zhou Yang, Alexander Albrecht, Mansoor Sheik-Bahae

Proceedings Volume 10550, 105500F (2018) https://doi.org/10.1117/12.2292269

KEYWORDS: Absorption, External quantum efficiency, Luminescence, Heterojunctions, Indium gallium phosphide, Gallium arsenide

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Proceedings Article | 22 February 2018 Presentation + Paper

Investigation of radiation-balanced disk lasers

Zhou Yang, Alexander Albrecht, Junwei Meng, Mansoor Sheik-Bahae

Proceedings Volume 10550, 105500B (2018) https://doi.org/10.1117/12.2292264

KEYWORDS: Crystals, Laser crystals, Luminescence, Absorption, Disk lasers, Laser resonators, Absorbance

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Proceedings Article | 7 June 2017 Presentation

Recent advances in optical refrigeration of a load (Conference Presentation)

Aram Gragossian, Junwei Meng, Mohammadreza Ghasemkhani, Alexander Albrecht, Eric Lee, Bernardo Farfan, Guy Symonds, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume 10180, 101800B (2017) https://doi.org/10.1117/12.2266159

KEYWORDS: Solids, Cryocoolers, Crystals, Laser crystals, Thermal efficiency, Luminescence, Prototyping, Thermography, Thermodynamics, Current controlled current source

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Proceedings Article | 21 April 2017 Presentation

Development of optically pumped DBR-free semiconductor disk lasers (Conference Presentation)

Zhou Yang, Alexander Albrecht, Jeffrey Cederberg, Mansoor Sheik-Bahae

Proceedings Volume 10087, 100870K (2017) https://doi.org/10.1117/12.2251652

KEYWORDS: Semiconductors, Disk lasers, Semiconductor lasers, Thermal effects, Optical pumping, Optical semiconductors, Integrated modeling, Silica, Prisms, Reflectivity

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Proceedings Article | 20 April 2017 Presentation

Enhanced cooling of Yb:YLF using astigmatic Herriott cell (Conference Presentation)

Aram Gragossian, Junwei Meng, Mohammadreza Ghasemkhani, Alexander Albrecht, Mauro Tonelli, Mansoor Sheik-Bahae

Proceedings Volume 10121, 1012101 (2017) https://doi.org/10.1117/12.2254623

KEYWORDS: Absorption, Crystals, External quantum efficiency, Luminescence, Spherical lenses, Mirrors, Temperature metrology, Solids, Cryogenics, Laser crystals

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Proceedings Article | 20 April 2017 Presentation

Multidisciplinary approaches to radiation-balanced lasers (MARBLE): a MURI program by AFOSR (Conference Presentation)

Mansoor Sheik-Bahae

Proceedings Volume 10121, 101210J (2017) https://doi.org/10.1117/12.2256148

KEYWORDS: Current controlled current source, Semiconductor lasers, Solids, High power lasers, Crystals, Laser crystals, Optical fibers, Semiconductors

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Proceedings Article | 20 April 2017 Presentation

Advances in laser cooling of Tm:YLF crystals (Conference Presentation)

Saeid Rostami, Alexander Albrecht, Mauro Tonelli, Mansoor Sheik-Bahae

Proceedings Volume 10121, 1012105 (2017) https://doi.org/10.1117/12.2254656

KEYWORDS: High power lasers, Tunable lasers, Quantum efficiency, Temperature metrology, Crystals, Laser crystals, External quantum efficiency, Optical parametric oscillators, Absorption

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Proceedings Article | 17 February 2017 Presentation + Paper

Investigation into the origin of parasitic absorption in GaInP/GaAs double heterostructures

Nathan Giannini, Zhou Yang, Alexander Albrecht, Mansoor Sheik-Bahae

Proceedings Volume 10121, 101210F (2017) https://doi.org/10.1117/12.2254702

KEYWORDS: Absorption, Interfaces, Gallium arsenide, Indium gallium phosphide, Heterojunctions, External quantum efficiency, Semiconductors, Absorbance, Calibration, Calorimetry, Luminescence

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SPIE Journal Paper | 16 December 2016

Astigmatic Herriott cell for optical refrigeration

Aram Gragossian, Junwei Meng, Mohammadreza Ghasemkhani, Alexander Albrecht, Mansoor Sheik-Bahae

OE, Vol. 56, Issue 01, 011110, (December 2016) https://doi.org/10.1117/12.10.1117/1.OE.56.1.011110

KEYWORDS: Crystals, Mirrors, Absorption, Laser crystals, Temperature metrology, Spherical lenses, Luminescence, High power fiber lasers, Optical engineering, Sapphire

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SPIE Journal Paper | 5 October 2016 Open Access

Determination of external quantum efficiency in semiconductors using pulsed power-dependent photoluminescence

Chengao Wang, Mansoor Sheik-Bahae

OE, Vol. 56, Issue 01, 011106, (October 2016) https://doi.org/10.1117/12.10.1117/1.OE.56.1.011106

KEYWORDS: External quantum efficiency, Semiconductors, Luminescence, Semiconductor lasers, Temperature metrology, Solids, Metalorganic chemical vapor deposition, Semiconducting wafers, Optical engineering, Numerical simulations

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Proceedings Article | 27 July 2016 Paper

Development of vertical external cavity surface emitting lasers (VECSELs) for use as monochromatic and polychromatic sodium guidestars

Shawn Hackett, Alexander Albrecht, Zhou Yang, Jeffrey Cederberg, Mansoor Sheik-Bahae, John McGraw, Robert Johnson, Jeff Richey

Proceedings Volume 9909, 99095R (2016) https://doi.org/10.1117/12.2239240

KEYWORDS: Sodium guide stars, Laser guide stars, Vertical external cavity surface emitting lasers, Sodium, Continuous wave operation, Lamps, Absorption, Fabry–Perot interferometers, High power lasers

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Proceedings Article | 17 May 2016 Paper

Cooling enhancement in optical refrigeration by non-resonant optical cavities

B. Farfan, A. Gragossian, G. Symonds, M. Ghasemkhani, A. Albrecht, M. Sheik-Bahae, R. Epstein

Proceedings Volume 9821, 982104 (2016) https://doi.org/10.1117/12.2222181

KEYWORDS: Mirrors, Optical resonators, Absorption, Crystals, Spherical lenses, Ray tracing, Luminescence, Optics manufacturing, Semiconductor lasers, Manufacturing

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Proceedings Article | 23 March 2016 Paper

Thermal management and design for optical refrigeration

G. Symonds, B. Farfan, M. Ghasemkhani, A. Albrecht, M. Sheik-Bahae, R. Epstein

Proceedings Volume 9765, 97650N (2016) https://doi.org/10.1117/12.2217964

KEYWORDS: Crystals, Sapphire, Thermography, Solids, Mirrors, Optical design, Epoxies, Luminescence, Optical cooling, Absorption

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Proceedings Article | 10 March 2016 Paper

Vertical external cavity surface emitting lasers for sodium guidestar applications and improvement of current guidestar systems

Shawn Hackett, Alexander Albrecht, Zhou Yang, Jeffrey Cederberg, Mansoor Sheik-Bahae, Robert Johnson, Jack Drummond

Proceedings Volume 9734, 97340Y (2016) https://doi.org/10.1117/12.2216853

KEYWORDS: Sodium guide stars, Vertical external cavity surface emitting lasers, Second-harmonic generation, Sodium, Telescopes, Systems modeling, Optical pumping, Laser applications, Laser guide stars, Crystals, Data modeling, Chemical species, Mathematical modeling, Performance modeling

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Proceedings Article | 10 March 2016 Paper

Broadly tunable DBR-free semiconductor disk laser

Zhou Yang, Alexander Albrecht, Jeffrey Cederberg, Shawn Hackett, Mansoor Sheik-Bahae

Proceedings Volume 9734, 97340I (2016) https://doi.org/10.1117/12.2213348

KEYWORDS: Semiconductors, Semiconductor lasers, Disk lasers, Diamond, Tunable lasers, Optical components, Quantum wells, Mirrors, Reflectivity, Gallium arsenide, Indium gallium arsenide

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Proceedings Article | 7 March 2016 Paper

Optical refrigeration of Tm:YLF and Ho:YLF crystals

Saeid Rostami, Alexander Albercht, Mohammad Ghasemkhani, Seth Melgaard, Aram Gragossian, Mauro Tonelli, Mansoor Sheik-Bahae

Proceedings Volume 9765, 97650P (2016) https://doi.org/10.1117/12.2213568

KEYWORDS: Crystals, Optical parametric oscillators, Laser crystals, High power lasers, Solids, Luminescence, Ions, Continuous wave operation, Tunable lasers, Absorption, Fluorescence spectroscopy, Lanthanides, Optical cooling, Optical spectroscopy, Thermal imaging cameras, Thulium, Mirrors, Holmium, Temperature metrology

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Proceedings Article | 7 March 2016 Paper

Non-resonant optical cavity design for optical refrigeration

B. Farfan, G. Symonds, A. Gragossian, M. Ghasemkhani, A. Albrecht, M. Sheik-Bahae, R. Epstein

Proceedings Volume 9765, 97650Q (2016) https://doi.org/10.1117/12.2217519

KEYWORDS: Optical design, Reflectivity, Mirrors, Light, Fiber lasers, Manufacturing, Crystals, Absorption, Spherical lenses, Optics manufacturing, Ray tracing, Luminescence

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Proceedings Article | 1 September 2015 Paper

Radiation effects on Yb:YLF crystals used in cryogenic optical refrigerators

K. Martin, S. Melgaard, V. Cowan, J. Hubbs, T. Fraser, M. Sheik-Bahae

Proceedings Volume 9616, 96160V (2015) https://doi.org/10.1117/12.2189843

KEYWORDS: Crystals, Ions, Cryogenics, Silicon, Absorption, Photons, Laser crystals, Solids, Neodymium, Sensors

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Proceedings Article | 10 March 2015 Paper

High sensitivity background absorption measurements in semiconductors

Nathan Giannini, Junior Silva, Chengao Wang, Alexander Albrecht, Seth Melgaard, Mansoor Sheik-Bahae

Proceedings Volume 9380, 93800F (2015) https://doi.org/10.1117/12.2080087

KEYWORDS: Absorption, External quantum efficiency, Gallium arsenide, Calibration, Zinc, Semiconductors, Interfaces, Indium gallium phosphide, Absorbance, Neodymium

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Proceedings Article | 10 March 2015 Paper

Intracavity-enhanced optical refrigeration of Yb:YLF crystal to cryogenic temperatures

Mohammadreza Ghasemkhani, Alexander Albrecht, Seth Melgaard, Denis Seletskiy, Jeffrey Cedeberg, Mansoor Sheik-Bahae

Proceedings Volume 9380, 938003 (2015) https://doi.org/10.1117/12.2080343

KEYWORDS: Absorption, Crystals, Fabry–Perot interferometers, Luminescence, Mirrors, Reflectivity, Solids, Laser crystals, Ions, Cryogenics

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Proceedings Article | 4 March 2015 Paper

DBR-free optically pumped semiconductor disk lasers

Zhou Yang, Alexander Albrecht, Jeffrey Cederberg, Mansoor Sheik-Bahae

Proceedings Volume 9349, 934905 (2015) https://doi.org/10.1117/12.2079696

KEYWORDS: Semiconductors, Semiconductor lasers, Diamond, Disk lasers, Optical pumping, Optical semiconductors, Reflection, Prisms, Quantum wells

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Proceedings Article | 24 June 2014 Paper

Optical cryocoolers for sensors and electronics

Richard Epstein, Markus Hehlen, Mansoor Sheik-Bahae, Seth Melgaard

Proceedings Volume 9070, 90702K (2014) https://doi.org/10.1117/12.2052941

KEYWORDS: Crystals, Laser crystals, Solids, Ions, Cryocoolers, Absorption, Glasses, Phonons, Luminescence, Quantum efficiency

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Proceedings Article | 7 March 2014 Paper

Exploring ultrafast negative Kerr Effect for self-mode-locking vertical external-cavity surface-emitting lasers

Alexander Albrecht, Denis Seletskiy, Yi Wang, Jeffrey Cederberg, Mansoor Sheik-Bahae

Proceedings Volume 8966, 896604 (2014) https://doi.org/10.1117/12.2040072

KEYWORDS: Mirrors, Mode locking, Kerr effect, Dispersion, Ultrafast phenomena, Semiconductors, Oscilloscopes, Continuous wave operation, Picosecond phenomena, Indium gallium arsenide

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Proceedings Article | 7 March 2014 Paper

Broadband THz imaging in gas and multiple quantum-well media

Chia-Yeh Li, Denis Seletskiy, Jeffrey Cederberg, Mansoor Sheik-Bahae

Proceedings Volume 8984, 898413 (2014) https://doi.org/10.1117/12.2040216

KEYWORDS: Terahertz radiation, Plasma, Quantum wells, Absorption, Gallium arsenide, Bandpass filters, Ultrafast imaging, Millimeter wave imaging, Plasma generation, Oscillators

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Proceedings Article | 19 February 2014 Paper

Intracavity optical refrigeration to 131K using high-power vertical external-cavity surface-emitting lasers (VECSELs)

Mohammadreza Ghasemkhani, Alexander Albrecht, Seth Melgaard, Denis Seletskiy, Jeffrey Cedeberg, Mansoor Sheik-Bahae

Proceedings Volume 9000, 900005 (2014) https://doi.org/10.1117/12.2040116

KEYWORDS: Absorption, Crystals, High power lasers, Luminescence, Laser crystals, Optical filters, Photons, Ions, External quantum efficiency, Temperature metrology

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Proceedings Article | 19 February 2014 Paper

Device applications of cryogenic optical refrigeration

Seth Melgaard, Denis Seletskiy, Richard Epstein, Jay Alden, Mansoor Sheik-Bahae

Proceedings Volume 9000, 900002 (2014) https://doi.org/10.1117/12.2039956

KEYWORDS: Crystals, Luminescence, Cryogenics, Thermography, Absorption, Solids, Sapphire, Interfaces, Laser crystals, Mirrors

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Proceedings Article | 14 March 2013 Paper

Air-breakdown coherent detection of terahertz using controlled optical bias

Chia-Yeh Li, Denis Seletskiy, Mansoor Sheik-Bahae

Proceedings Volume 8623, 86231V (2013) https://doi.org/10.1117/12.2003590

KEYWORDS: Terahertz radiation, Plasma, Signal detection, Crystals, Polarization, Millimeter wave sensors, Laser beam diagnostics, Crystal optics, Oscillators, Modulation

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Proceedings Article | 14 March 2013 Paper

Observation of strong and broadband terahertz induced electroabsorption in multiple quantum wells

Chia-Yeh Li, Denis Seletskiy, Jeffrey Cederberg, Mansoor Sheik-Bahae

Proceedings Volume 8623, 86230O (2013) https://doi.org/10.1117/12.2004633

KEYWORDS: Terahertz radiation, Quantum wells, Plasma, Modulation, Gallium arsenide, Absorption, Signal detection, Excitons, Neodymium, Ions

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Proceedings Article | 14 March 2013 Paper

Simultaneous generation and coherent control of terahertz and XUV using two-color laser field

Aram Gragossian, Denis Seletskiy, Mansoor Sheik-Bahae

Proceedings Volume 8623, 86231A (2013) https://doi.org/10.1117/12.2004849

KEYWORDS: Terahertz radiation, Extreme ultraviolet, Polarization, Plasma, Ionization, High harmonic generation, Polarizers, Femtosecond phenomena, Optical filters, Physics

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Proceedings Article | 11 March 2013 Paper

Optical refrigeration progress: cooling below NIST cryogenic temperature of 123K

Seth Melgaard, Denis Seletskiy, Alberto Di Lieto, Mauro Tonelli, Mansoor Sheik-Bahae

Proceedings Volume 8638, 863804 (2013) https://doi.org/10.1117/12.2005281

KEYWORDS: Crystals, Absorption, Cryogenics, Luminescence, Doping, External quantum efficiency, Astronomical imaging, Photonic crystals, Quantum efficiency, Laser crystals

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Proceedings Article | 11 March 2013 Paper

Accurate measurement of external quantum efficiency in semiconductors

Chengao Wang, Mansoor Sheik-Bahae, Jeffrey Cederberg, Daniel Bender

Proceedings Volume 8638, 86380H (2013) https://doi.org/10.1117/12.2007519

KEYWORDS: External quantum efficiency, Luminescence, Semiconductors, Semiconductor lasers, Gallium arsenide, Heterojunctions, Absorption, Internal quantum efficiency, Temperature metrology, Quantum efficiency

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Proceedings Article | 11 March 2013 Paper

Progress towards cryogenic temperatures in intra-cavity optical refrigeration using a VECSEL

Alexander Albrecht, Mohammadreza Ghasemkhani, Jeffrey Cederberg, Denis Seletskiy, Seth Melgaard, Mansoor Sheik-Bahae

Proceedings Volume 8638, 863805 (2013) https://doi.org/10.1117/12.2005098

KEYWORDS: Crystals, Laser crystals, Luminescence, Cryogenics, Optical filters, Absorption, Laser optics, Semiconductor lasers, Physics, High power lasers

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Proceedings Article | 26 February 2013 Paper

Intracavity-enhanced laser cooling of solids using high power VECSELs at 1020 nm

Mansoor Sheik-Bahae, Mohammad Ghasemkhani, Alexander Albrecht, Denis Seletskiy, Jeffrey Cederberg, Seth Melgaard

Proceedings Volume 8606, 86060A (2013) https://doi.org/10.1117/12.2003561

KEYWORDS: Crystals, Absorption, Luminescence, Solids, Laser crystals, High power lasers, Cryocoolers, Temperature metrology, Cryogenics, External quantum efficiency

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Proceedings Article | 21 February 2012 Paper

Detection of ultrafast THz pulses via electro-absorption in coupled asymmetric quantum wells

Chia-Yeh Li, Denis Seletskiy, Jeffrey Cederberg, Mansoor Sheik-Bahae

Proceedings Volume 8260, 82600L (2012) https://doi.org/10.1117/12.907721

KEYWORDS: Terahertz radiation, Quantum wells, Gallium arsenide, Absorption, Plasma, Signal detection, Ultrafast phenomena, Electro optics, Modulation, Near infrared

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Proceedings Article | 21 February 2012 Paper

Strong THz emission from low-energy acoustic-like surface plasmons in InAs nanowires

Denis Seletskiy, Chia-Yeh Li, Michael Hasselbeck, Jeffrey Cederberg, Aaron Katzenmeyer, Maria Toimil-Molares, Francois Léonard, A. Alec Talin, Mansoor Sheik-Bahae

Proceedings Volume 8260, 82600D (2012) https://doi.org/10.1117/12.907745

KEYWORDS: Terahertz radiation, Indium arsenide, Plasmons, Surface plasmons, Reflectivity, Plasmonics, Reflection, Near infrared, Electronic imaging, Nanowires

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Proceedings Article | 8 February 2012 Paper

Novel photon blockade schemes for thermal link applications

Seth Melgaard, Juanita Trevino, Denis Seletskiy, Mansoor Sheik-Bahae

Proceedings Volume 8275, 82750I (2012) https://doi.org/10.1117/12.912437

KEYWORDS: Luminescence, Crystals, Mirrors, Absorption, Scattering, Reflectivity, Thermal modeling, Dielectrics, Thermography, Sensors

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Proceedings Article | 8 February 2012 Paper

Polarization-resolved optical metrology for noncontact thermometry

M. Ghasemkhani, D. Seletskiy, M. Sheik-Bahae

Proceedings Volume 8275, 82750J (2012) https://doi.org/10.1117/12.910342

KEYWORDS: Luminescence, Temperature metrology, Cameras, Thermometry, Polarization, Absorption, Crystals, Photons, External quantum efficiency, Birefringence

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Proceedings Article | 8 February 2012 Paper

Intracavity laser cooling using a VECSEL

Alexander Albrecht, Denis Seletskiy, Jeffrey Cederberg, Alberto Di Lieto, Mauro Tonelli, Jerome Moloney, Ganesh Balakrishnan, Mansoor Sheik-Bahae

Proceedings Volume 8275, 827505 (2012) https://doi.org/10.1117/12.910329

KEYWORDS: Crystals, Mirrors, Quantum wells, Luminescence, Absorption, Cryocoolers, Solids, Laser crystals, Semiconductors, Laser applications

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Proceedings Article | 8 February 2012 Paper

High sensitivity spectroscopic and thermal characterization of cooling efficiency for optical refrigeration materials

Seth Melgaard, Denis Seletskiy, Alberto Di Lieto, Mauro Tonelli, Mansoor Sheik-Bahae

Proceedings Volume 8275, 827504 (2012) https://doi.org/10.1117/12.910202

KEYWORDS: Crystals, Cryogenics, Luminescence, Absorption, Spectroscopy, Temperature metrology, Thermography, Laser crystals, Ions, Quantum efficiency

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Proceedings Article | 8 February 2012 Paper

Thermal imaging with high spatial and temperature resolution

Denis Seletskiy, Seth Melgaard, Mansoor Sheik-Bahae

Proceedings Volume 8275, 82750H (2012) https://doi.org/10.1117/12.910271

KEYWORDS: Thermography, Spatial resolution, Temperature metrology, Image resolution, Semiconductors, Laser beam diagnostics, Gallium arsenide, Spectroscopy, Metrology, Black bodies

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Proceedings Article | 9 February 2011 Paper

GaAs/GaInP double heterostructure characterization for laser cooling of semiconductors

Chengao Wang, Chia-Yeh Li, Michael Hasselbeck, Thomas Rotter, Kevin Malloy, Mansoor Sheik-Bahae, Jerry Olson

Proceedings Volume 7951, 79510D (2011) https://doi.org/10.1117/12.878979

KEYWORDS: External quantum efficiency, Luminescence, Semiconductor lasers, Semiconductors, Temperature metrology, Gallium arsenide, Heterojunctions, Absorption, Internal quantum efficiency, Calorimetry

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Proceedings Article | 8 February 2011 Paper

Sensitive thermal reflectance measurement for laser cooling applications

M. Ghasemkhani, D. Seletskiy, M. Sheik-Bahae

Proceedings Volume 7951, 79510J (2011) https://doi.org/10.1117/12.879137

KEYWORDS: Reflectivity, Luminescence, Crystals, Temperature metrology, Photons, Sensors, External quantum efficiency, Laser applications, Absorption, Modulation

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Proceedings Article | 8 February 2011 Paper

Experimental evidence for laser cooling of Yb:YLF to 120 Kelvin

Seth Melgaard, Denis Seletskiy, Alberto Di Lieto, Mauro Tonelli, Mansoor Sheik-Bahae

Proceedings Volume 7951, 795105 (2011) https://doi.org/10.1117/12.878933

KEYWORDS: Crystals, Absorption, Temperature metrology, Cryogenics, Luminescence, Spectroscopy, Energy efficiency, Gallium arsenide, External quantum efficiency, Laser crystals

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Proceedings Article | 8 February 2011 Paper

Progress toward sub-100 Kelvin operation of an optical cryocooler

Denis Seletskiy, Richard Epstein, Mansoor Sheik-Bahae

Proceedings Volume 7951, 795103 (2011) https://doi.org/10.1117/12.879050

KEYWORDS: Absorption, Cryocoolers, Luminescence, Crystals, Solids, Ytterbium, Temperature metrology, Cryogenics, External quantum efficiency, Ions

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Proceedings Article | 18 February 2010 Paper

Determination of nonradiative recombination in high quantum efficiency GaAs/InGaP heterostructures

Chia-Yeh Li, Chengao Wang, Michael Hasselbeck, Mansoor Sheik-Bahae, Kevin Malloy

Proceedings Volume 7614, 76140E (2010) https://doi.org/10.1117/12.845054

KEYWORDS: Luminescence, Heterojunctions, Semiconductor lasers, External quantum efficiency, Metalorganic chemical vapor deposition, Quantum efficiency, Semiconductors, Neodymium, Lithium, Photomultipliers

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Proceedings Article | 18 February 2010 Paper

Spectroscopy of Yb-doped YLF crystals for laser cooling

S. Melgaard, D. Seletskiy, M. Sheik-Bahae, S. Bigotta, A. Di Lieto, M. Tonelli, R. Epstein

Proceedings Volume 7614, 761407 (2010) https://doi.org/10.1117/12.845045

KEYWORDS: Crystals, Absorption, Laser crystals, Luminescence, Gallium arsenide, Spectroscopy, Temperature metrology, Laser applications, Liquid crystals, Ytterbium

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Proceedings Article | 18 February 2010 Paper

Laser cooling of a semiconductor load using a Yb:YLF optical refrigerator

Denis Seletskiy, Seth Melgaard, Mansoor Sheik-Bahae, Stefano Bigotta, Alberto DiLieto, Mauro Tonelli

Proceedings Volume 7614, 761409 (2010) https://doi.org/10.1117/12.845051

KEYWORDS: Crystals, Gallium arsenide, Absorption, Luminescence, Semiconductor lasers, Semiconductors, Laser crystals, Solids, Glasses, Heterojunctions

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Proceedings Article | 18 February 2010 Paper

Optical refrigeration breaks the Peltier barrier: cooling Yb:YLF to 155K

Denis Seletskiy, Seth Melgaard, Mansoor Sheik-Bahae, Stefano Bigotta, Alberto DiLieto, Mauro Tonelli, Richard Epstein

Proceedings Volume 7614, 761403 (2010) https://doi.org/10.1117/12.845049

KEYWORDS: Absorption, Crystals, Solids, Luminescence, Ytterbium, Cryogenics, Spectroscopy, Glasses, Cryocoolers, Energy efficiency

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Proceedings Article | 18 February 2010 Paper

Characterization of external quantum efficiency and absorption efficiency in GaAs/ InGaP double heterostructures for laser cooling applications

Chengao Wang, Michael Hasselbeck, Chia-Yeh Li, Mansoor Sheik-Bahae

Proceedings Volume 7614, 76140B (2010) https://doi.org/10.1117/12.845053

KEYWORDS: External quantum efficiency, Absorption, Luminescence, Semiconductors, Semiconductor lasers, Temperature metrology, Quantum efficiency, Heterojunctions, Gallium arsenide, Metalorganic chemical vapor deposition

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Proceedings Article | 12 February 2009 Paper

Synthesis and evaluation of ultra-pure rare-earth-doped glass for laser refrigeration

Wendy Patterson, Markus Hehlen, Mansoor Sheik-Bahae, Richard Epstein

Proceedings Volume 7228, 72280C (2009) https://doi.org/10.1117/12.811914

KEYWORDS: Luminescence, Glasses, Temperature metrology, Thermometry, Laser glasses, Data acquisition, Error analysis, Spectroscopy, Linear filtering, Ytterbium

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Proceedings Article | 10 February 2009 Paper

Fast differential luminescence thermometry

Denis Seletskiy, Michael Hasselbeck, Mansoor Sheik-Bahae, Richard Epstein

Proceedings Volume 7228, 72280K (2009) https://doi.org/10.1117/12.810856

KEYWORDS: Luminescence, Temperature metrology, Gallium arsenide, Solids, Thermometry, Crystals, Calibration, Monochromators, Signal detection, Fluorine

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Proceedings Article | 10 February 2009 Paper

MBE growth and characterization of semiconductor laser coolers

Andreas Stintz, Chia-Yeh Li, Mansoor Sheik-Bahae, Kevin Malloy

Proceedings Volume 7228, 722803 (2009) https://doi.org/10.1117/12.808325

KEYWORDS: Gallium arsenide, Indium gallium phosphide, Crystals, Semiconductor lasers, Luminescence, Interfaces, Phosphorus, Semiconductors, Heterojunctions, Gallium

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Proceedings Article | 10 February 2009 Paper

Recent progress in laser cooling via resonant cavity

Denis Seletskiy, Seth Melgaard, Michael Hasselbeck, Mansoor Sheik-Bahae, Richard Epstein, Stefano Bigotta, Mauro Tonelli

Proceedings Volume 7228, 72280F (2009) https://doi.org/10.1117/12.810861

KEYWORDS: Absorption, Temperature metrology, Solids, Crystals, Mirrors, Cryocoolers, Statistical analysis, Absorbance, Reflectivity, Quantum efficiency

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Proceedings Article | 7 February 2009 Paper

THz emission from coherent plasmons in InAs nanowires

D. Seletskiy, M. Hasselbeck, M. Sheik-Bahae, J. G. Cederberg, A. Talin

Proceedings Volume 7214, 72140Y (2009) https://doi.org/10.1117/12.810875

KEYWORDS: Indium arsenide, Terahertz radiation, Ultrafast phenomena, Plasmons, Plasma, Semiconductors, Electrons, Reflection, Sapphire lasers, Nanowires

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Proceedings Article | 14 February 2008 Paper

Direct observation of Landau damping with coherent plasmons in InSb

D. Seletskiy, M. Hasselbeck, M. Sheik-Bahae, L. Dawson

Proceedings Volume 6892, 68921S (2008) https://doi.org/10.1117/12.759159

KEYWORDS: Plasmons, Plasma, Terahertz radiation, Electrons, Semiconductors, Ultrafast laser spectroscopy, Spectroscopy, Electromagnetic radiation, Heterojunctions, Nanowires

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Proceedings Article | 14 February 2008 Paper

Ultrashort lasers: identifying the "perfect" pulse

Daniel Bender, Mansoor Sheik-Bahae

Proceedings Volume 6871, 68712O (2008) https://doi.org/10.1117/12.764086

KEYWORDS: Reconstruction algorithms, Dispersion, Signal to noise ratio, Pulsed laser operation, Light emitting diodes, Interferometry, Ultrafast phenomena, Second-harmonic generation, Solids, Sensors

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Proceedings Article | 12 February 2008 Paper

Nanogap experiments for laser cooling

Andreas Stintz, Richard Epstein, Mansoor Sheik-Bahae, Kevin Malloy, Michael Hasselbeck, Stephen Boyd

Proceedings Volume 6907, 690709 (2008) https://doi.org/10.1117/12.761962

KEYWORDS: Gallium arsenide, Etching, Quantum wells, Semiconductor lasers, Photoresist materials, Reflection, Crystals, HF etching, Convection, Gallium

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Proceedings Article | 11 February 2008 Paper

Cooling of Yb:YLF using cavity enhanced resonant absorption

D. Seletskiy, M. Hasselbeck, M. Sheik-Bahae, R. Epstein, S. Bigotta, M. Tonelli

Proceedings Volume 6907, 69070B (2008) https://doi.org/10.1117/12.759152

KEYWORDS: Absorption, Luminescence, Temperature metrology, Mirrors, Reflectivity, Crystals, Solids, Thermometry, Cryogenics, Sensors

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Proceedings Article | 11 February 2008 Paper

Near-field fluorescence lifetime imaging of semiconductor interfaces used in laser cooling

Daniel Bender, Mansoor Sheik-Bahae

Proceedings Volume 6907, 690704 (2008) https://doi.org/10.1117/12.765236

KEYWORDS: Luminescence, Near field, Atomic force microscopy, Fluorescence lifetime imaging, Gallium arsenide, Near field optics, Semiconductors, Heterojunctions, Interfaces, Semiconductor lasers

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Proceedings Article | 15 March 2007 Paper

Heterostructure design optimization for laser cooling of GaAs

B. Imangholi, C. Wang, E. Soto, M. Sheik-Bahae, A. Stintz, K. Malloy, N. Nuntawong, R. Epstein

Proceedings Volume 6461, 64610G (2007) https://doi.org/10.1117/12.709847

KEYWORDS: Gallium arsenide, Heterojunctions, Luminescence, External quantum efficiency, Absorption, Electrons, Semiconductor lasers, Indium gallium phosphide, Photons, Diffusion

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Proceedings Article | 13 March 2007 Paper

Phase fluorometry for semiconductor lifetime measurement

Alexander Albrecht, Ramesh Laghumavarapu, Babak Imangholi, Mansoor Sheik-Bahae, Kevin Malloy

Proceedings Volume 6461, 646108 (2007) https://doi.org/10.1117/12.710064

KEYWORDS: Semiconductor lasers, Semiconductors, Luminescence, Modulation, Phase measurement, Phase shifts, Temperature metrology, Optical amplifiers, Heterojunctions, Metalorganic chemical vapor deposition

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