Dr. Syed Ismail Profile

Dr. Syed Ismail

Senior Research Scientist at NASA Langley Research Ctr

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 24 October 2018 Paper

Airborne, direct-detection, 2-um triple-pulse IPDA lidar for simultaneous and independent atmospheric water vapor and carbon dioxide active remote sensing

Tamer Refaat, Mulugeta Petros, Upendra Singh, Charles Antill, Teh-Hwa Wong, Ruben Remus, Karl Reithmaier, Jane Lee, Stephen Bowen, Bryant Taylor, Angela Welters, Anna Noe, Syed Ismail

Proc. SPIE. 10779, Lidar Remote Sensing for Environmental Monitoring XVI

KEYWORDS: Transmitters, Telescopes, LIDAR, Sensors, Receivers, Data acquisition, Carbon monoxide, Pulsed laser operation, Atmospheric modeling, Absorption

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Proceedings Article | 21 November 2017

Development and evaluation of a high sensitivity dial system for profiling atmospheric CO2

S. Ismail, G. Koch, T. Refaat, M. N. Abedin, J. Yu, U. Singh

Proc. SPIE. 10566, International Conference on Space Optics — ICSO 2008

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Proceedings Article | 25 September 2017

Column carbon dioxide and water vapor measurements by an airborne triple-pulse integrated path differential absorption lidar – novel lidar technologies and techniques with path to space

U. Singh, M. Petros, T. Refaat, J. Yu, S. Ismail

Proc. SPIE. 10562, International Conference on Space Optics — ICSO 2016

KEYWORDS: Transmitters, Aerospace engineering, LIDAR, Sensors, Space telescopes, Astronomical imaging, Active remote sensing, Carbon monoxide, Pulsed laser operation, Absorption

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Proceedings Article | 7 September 2017 Paper

Progress on development of an airborne two-micron IPDA lidar for water vapor and carbon dioxide column measurements

Upendra Singh, Mulugeta Petros, Tamer Refaat, Jirong Yu, Charles Antill, Bryant Taylor, Stephen Bowen, Angela Welters, Ruben Remus, Teh-Hwa Wong, Karl Reithmaier, Jane Lee, Syed Ismail

Proc. SPIE. 10406, Lidar Remote Sensing for Environmental Monitoring 2017

KEYWORDS: Packaging, Transmitters, Carbon dioxide, Mercury cadmium telluride, Atmospheric laser remote sensing, LIDAR, Receivers, Active remote sensing, System integration, Absorption

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Proceedings Article | 17 September 2013 Paper

Efficient 1.6 micron laser source for methane DIAL

Timothy Shuman, Ralph Burnham, Amin Nehrir, Syed Ismail, Johnathan Hair, Tamer Refaat

Proc. SPIE. 8872, Lidar Remote Sensing for Environmental Monitoring XIV

KEYWORDS: Transmitters, Laser sources, Methane, Ferroelectric materials, Optical parametric oscillators, Resonators, Fiber Bragg gratings, Output couplers, LIDAR, Pulsed laser operation

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Proceedings Article | 1 May 2009 Paper

Study of minerals, organic, and biogenic materials through time-resolved Raman spectroscopy

Christopher Garcia, M. Nurul Abedin, Syed Ismail, Shiv Sharma, Anupam Misra, Trac Nguyen, Hani Elsayed-Ali

Proc. SPIE. 7312, Advanced Environmental, Chemical, and Biological Sensing Technologies VI

KEYWORDS: Minerals, Statistical analysis, Cameras, Sensors, Luminescence, Molecules, Laser scattering, Laser induced fluorescence, Raman spectroscopy, Calcite

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Proceedings Article | 23 October 2008 Paper

Solid-state 2-micron laser transmitter advancement for wind and carbon dioxide measurements from ground, airborne, and space-based lidar systems

Upendra Singh, Michael Kavaya, Grady Koch, Jirong Yu, Syed Ismail

Proc. SPIE. 7111, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing IV

KEYWORDS: Transceivers, Transmitters, Oscillators, Carbon dioxide, Doppler effect, LIDAR, Laser applications, Carbon dioxide lasers, Solid state lasers, Wind energy

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Proceedings Article | 17 April 2008 Paper

Design and build a compact Raman sensor for identification of chemical composition

Christopher Garcia, M. Nurul Abedin, Syed Ismail, Shiv Sharma, Anupam Misra, Stephen Sandford, Hani Elsayed-Ali

Proc. SPIE. 6943, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VII

KEYWORDS: Telescopes, Spectrographs, Minerals, Imaging systems, Cameras, Sensors, Remote sensing, Molecules, Raman spectroscopy, Pulsed laser operation

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SPIE Journal Paper | 1 August 2007

Infrared phototransistor validation for atmospheric remote sensing application using the Raman-shifted eye-safe aerosol lidar

Tamer Refaat, Syed Ismail, Terry Mack, M. Nurul Abedin, Shane Mayor, Scott Spuler, Upendra Singh

OE Vol. 46 Issue 08

KEYWORDS: Phototransistors, LIDAR, Sensors, Avalanche photodetectors, Atmospheric sensing, Signal to noise ratio, Infrared sensors, Remote sensing, Indium gallium arsenide, Infrared photography

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Proceedings Article | 16 May 2007 Paper

Signal processing techniques for heterodyne differential absorption lidar

Jeffrey Beyon, Grady Koch, Syed Ismail

Proc. SPIE. 6567, Signal Processing, Sensor Fusion, and Target Recognition XVI

KEYWORDS: Statistical analysis, Doppler effect, LIDAR, Error analysis, Interference (communication), Heterodyning, Signal processing, Wind energy, Pulsed laser operation, Absorption

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Proceedings Article | 4 May 2007 Paper

Remote Raman sensor system for testing of rocks and minerals

Christopher Garcia, M. Nurul Abedin, Shiv Sharma, Anupam Misra, Syed Ismail, Stephen Sandford, Hani Elsayed-Ali

Proc. SPIE. 6538, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense VI

KEYWORDS: Telescopes, Spectrographs, Minerals, Cameras, Sensors, Molecules, Raman spectroscopy, Charge-coupled devices, Calcite, Pulsed laser operation

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Proceedings Article | 7 September 2006 Paper

InGaAsSb/AlGaAsSb heterojunction phototransistors for infrared applications

Tamer Refaat, M. Nurul Abedin, Oleg Sulima, Syed Ismail, Upendra Singh

Proc. SPIE. 6295, Infrared Detectors and Focal Plane Arrays VIII

KEYWORDS: Infrared detectors, Signal to noise ratio, Infrared sensors, Indium gallium arsenide, Sensors, Quantum efficiency, Infrared radiation, Signal detection, Heterojunctions, Phototransistors

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Proceedings Article | 1 September 2006 Paper

Remote pulsed laser Raman spectroscopy system for detecting water, ice, and hydrous minerals

Christopher Garcia, M. Nurul Abedin, Shiv Sharma, Anupam Misra, Syed Ismail, Upendra Singh, Tamer Refaat, Hani Elsayed-Ali, Steve Sandford

Proc. SPIE. 6302, Imaging Spectrometry XI

KEYWORDS: Telescopes, Spectrographs, Minerals, Sensors, Photons, Molecules, Raman spectroscopy, Charge-coupled devices, Calcite, Pulsed laser operation

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Proceedings Article | 19 August 2005 Paper

III-V compound detectors for CO2 DIAL measurements

Tamer Refaat, M. Nurul Abedin, Oleg Sulima, Syed Ismail, Upendra Singh

Proc. SPIE. 5887, Lidar Remote Sensing for Environmental Monitoring VI

KEYWORDS: Signal to noise ratio, Indium gallium arsenide, Sensors, Quantum efficiency, Capacitance, Carbon monoxide, Signal detection, Atmospheric sensing, Phototransistors, Atmospheric monitoring

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Proceedings Article | 11 January 2005 Paper

Remote sensing of tropospheric chemistry using lidars from geostationary orbit

Syed Ismail, Janette Gervin, H. John Wood, Frank Peri

Proc. SPIE. 5659, Enabling Sensor and Platform Technologies for Spaceborne Remote Sensing

KEYWORDS: LIDAR, Sensors, Chemistry, Receivers, Earth's atmosphere, Ozone, Troposphere, Carbon monoxide, Pulsed laser operation, Atmospheric chemistry

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Proceedings Article | 30 December 2004 Paper

Remote Raman and laser-induced fluorescence (RLIF) emission instrument for detection of mineral, organic, and biogenic materials on Mars to 100 meters radial distance

Shiv Sharma, Syed Ismail, S. Angel, Paul Lucey, Christopher McKay, Anupam Misra, Peter Mouginis-Mark, Horton Newsom, Edward Scott, Upendra Singh, G. Taylor

Proc. SPIE. 5660, Instruments, Science, and Methods for Geospace and Planetary Remote Sensing

KEYWORDS: Minerals, LIDAR, Sensors, Spectroscopy, Luminescence, Laser induced fluorescence, Raman spectroscopy, Raman scattering, Mars, Prototyping

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SPIE Journal Paper | 1 July 2004

AlGaAsSb/InGaAsSb phototransistors for 2-μm remote sensing applications

Tamer Refaat, M. Nurul Abedin, Oleg Sulima, Syed Ismail, Upendra Singh

OE Vol. 43 Issue 07

KEYWORDS: Sensors, Phototransistors, Indium gallium arsenide, Mercury cadmium telluride, Indium gallium arsenide antimonide, LIDAR, Absorption, Quantum efficiency, Remote sensing, Atmospheric sensing

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Proceedings Article | 23 December 2003 Paper

Airborne DIAL and ground-based Raman lidar measurements of water vapor over the Southern Great Plains

Richard Ferrare, Edward Browell, Syed Ismail, Susan Kooi, Vince Brackett, Marian Clayton, Anthony Notari, Carolyn Butler, John Barrick, Glenn Diskin, Barry Lesht, Frank Schmidlin, Dave Turner, David Whiteman, Larry Miloshevich

Proc. SPIE. 5154, Lidar Remote Sensing for Environmental Monitoring IV

KEYWORDS: MODIS, Lasers, LIDAR, Aerosols, Clouds, Raman spectroscopy, Humidity, Raman scattering, Troposphere, Atmospheric particles

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Proceedings Article | 23 December 2003 Paper

Infrared detector characterization for CO2 DIAL measurement

Tamer Refaat, M. Abedin, Grady Koch, Syed Ismail, Upendra Singh

Proc. SPIE. 5154, Lidar Remote Sensing for Environmental Monitoring IV

KEYWORDS: Infrared detectors, Indium gallium arsenide, Mercury cadmium telluride, LIDAR, Sensors, Gas lasers, Carbon monoxide, Signal detection, Indium gallium arsenide antimonide, Absorption

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Proceedings Article | 7 December 1998 Paper

ORACLE (Ozone Research with Advanced Cooperative Lidar Experiment): joint NASA-CSA development of a space-based ozone dial

Donald Ball, Alexander Dudelzak, Fernand Rheault, Edward Browell, Syed Ismail, John Stadler, Raymond Hoff, C. McElroy, Allan Carswell, John Hahn, Arkady Ulitsky

Proc. SPIE. 3494, Atmospheric Propagation, Adaptive Systems, and Lidar Techniques for Remote Sensing II

KEYWORDS: Telescopes, LIDAR, Aerosols, Ultraviolet radiation, Clouds, Space telescopes, Ozone, Atmospheric particles, Atmospheric chemistry, Device simulation

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