Dr. John A. Smith Profile

Dr. John A. Smith

Instrumental Scientist at NASA Langley Research Ctr

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Author

Publications (6)

SPIE Journal Paper | 9 January 2021

Toward high-performance SPAD arrays for space-based atmosphere and ocean profiling LiDARs

Giulia Acconcia, Andrea Giudici, John Smith, Ivan Labanca, Rich Hare, Massimo Ghioni, Ivan Rech

JARS, Vol. 15, Issue 01, 017501, (January 2021) https://doi.org/10.1117/12.10.1117/1.JRS.15.017501

KEYWORDS: LIDAR, Clouds, Electronics, Backscatter, Sensors, Photodetectors, Clocks, Pulsed laser operation, Quenching (fluorescence), Logic

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Proceedings Article | 23 April 2020 Presentation + Paper

Terahertz photon counting: large-format SPAD arrays for lidar remote sensing of the atmosphere and ocean from space

John Smith, Giulia Acconcia, Ivan Rech, Rich Hare, Chris Hostetler

Proceedings Volume 11386, 113860D (2020) https://doi.org/10.1117/12.2557683

KEYWORDS: LIDAR, Photodetectors, Backscatter, Photon counting, Clouds, Sensors, Readout integrated circuits, Electronics, Aerosols, Atmospheric sensing

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Proceedings Article | 9 October 2019 Presentation + Paper

Fully integrated high-speed electronics for remote sensing with a large array of single photon avalanche diodes

G. Acconcia, J. Smith, R. Hare, I. Labanca, A. Giudici, M. Venturini, M. Ghioni, I. Rech

Proceedings Volume 11152, 111520T (2019) https://doi.org/10.1117/12.2534821

KEYWORDS: Logic, Electronics, LIDAR, Sensors, Single photon, Avalanche photodiodes, Quenching (fluorescence), Remote sensing, Photodetectors, High speed electronics

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Proceedings Article | 9 October 2019 Presentation + Paper

8x8 single photon counting module for spaceborne lidar

G. Acconcia, J. Smith, R. Hare, I. Labanca, A. Giudici, M. Ghioni, I. Rech

Proceedings Volume 11152, 111520S (2019) https://doi.org/10.1117/12.2534434

KEYWORDS: LIDAR, Clocks, Single photon, Sensors, Atmospheric particles, Custom fabrication, Satellites, Signal attenuation, Avalanche photodiodes, Prototyping

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SPIE Journal Paper | 1 October 2009

Applications of spectral analysis and filter design in laser frequency locking for Na Doppler lidars

John Smith, Xinzhao Chu, Wentao Huang, Bo Tan

OE, Vol. 48, Issue 10, 104301, (October 2009) https://doi.org/10.1117/12.10.1117/1.3251080

KEYWORDS: Modulation, Optical filters, Sodium, Dye lasers, Laser stabilization, Linear filtering, Doppler effect, LIDAR, Servomechanisms, Absorption

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SPIE Journal Paper | 1 November 2008

LabVIEW-based laser frequency stabilization system with phase-sensitive detection servo loop for Doppler LIDAR applications

John Smith, Xinzhao Chu, Wentao Huang, Arne Wiig, Archie Brown

OE, Vol. 47, Issue 11, 114201, (November 2008) https://doi.org/10.1117/12.10.1117/1.3013257

KEYWORDS: Laser stabilization, Doppler effect, Cesium, LIDAR, Modulation, Servomechanisms, Ferroelectric materials, Potassium, Laser systems engineering, Laser applications

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Showing 5 of 6 publications

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