Ms. Yu Kee Ooi Profile

Yu Kee Ooi

at Rochester Institute of Technology

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Author

Publications (5)

Proceedings Article | 1 March 2019 Presentation + Paper

Analysis on light extraction property of AlGaN-based flip-chip ultraviolet light-emitting diodes by the use of self-assembled SiO2 microsphere array

Cheng Liu, Bryan Melanson, Yu Kee Ooi, Matthew Hartensveld, Jing Zhang

Proceedings Volume 10918, 109180Q (2019) https://doi.org/10.1117/12.2510488

KEYWORDS: Optical spheres, Ultraviolet light emitting diodes, Sapphire, Electroluminescence, Light emitting diodes, Finite-difference time-domain method, Aluminum, Photons, Polarization, Gallium

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Proceedings Article | 22 February 2017 Paper

Investigation of light extraction efficiency comparison of AlGaN-based deep- and mid-ultraviolet flip-chip light-emitting diodes with patterned sapphire substrate

Yu Kee Ooi, Rahnuma Rifat Chowdhury, Jing Zhang

Proceedings Volume 10098, 100980U (2017) https://doi.org/10.1117/12.2252794

KEYWORDS: Patterned sapphire substrate, Light emitting diodes, Sapphire, Ultraviolet radiation, Deep ultraviolet, Quantum wells, Finite-difference time-domain method, Energy efficiency, Ultraviolet light emitting diodes

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Proceedings Article | 20 February 2017 Presentation + Paper

Integration of 3D printed lens with InGaN light-emitting diodes with enhanced light extraction efficiency

Yu Kee Ooi, Christopher Ugras, Cheng Liu, Matthew Hartensveld, Shaunak Gandhi, Denis Cormier, Jing Zhang

Proceedings Volume 10115, 1011508 (2017) https://doi.org/10.1117/12.2252734

KEYWORDS: Finite-difference time-domain method, Lens design, Photopolymers, Light emitting diodes, 3D printing, Indium gallium nitride, Refractive index, Optoelectronics, 3D metrology, Blue light emitting diodes, Gallium nitride, Electroluminescence, Optical testing

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Proceedings Article | 16 February 2017 Presentation + Paper

Dominant transverse-electric polarized emission from 298 nm MBE-grown AlN-delta-GaN quantum well ultraviolet light-emitting diodes

Cheng Liu, Yu Kee Ooi, S. M. Islam, Huili Grace Xing, Debdeep Jena, Jing Zhang

Proceedings Volume 10104, 101041R (2017) https://doi.org/10.1117/12.2252487

KEYWORDS: Quantum wells, Light emitting diodes, Ultraviolet radiation, Physics, Ultraviolet light emitting diodes, Electroluminescence, UV optics, Gallium, Aluminum, Aluminum nitride, Polarization

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Proceedings Article | 7 March 2016 Paper

Large TE polarized optical gain from AlInN-delta-GaN quantum well for ultraviolet lasers

Cheng Liu, Yu Kee Ooi, Jing Zhang

Proceedings Volume 9767, 97670F (2016) https://doi.org/10.1117/12.2212923

KEYWORDS: Quantum wells, Ultraviolet radiation, Nanostructures, Free space optics, UV optics, Gallium nitride, Laser applications, Crystals, Laser crystals, Active optics, Electrons, Solids, Aluminum nitride

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