New semiconductor laser technology for gas sensing applications in the 1650nm range

Gordon B. Morrison; Jes Sherman; Steven Estrella; Renan L. Moreira; Paul O. Leisher; Milan L. Mashanovitch; Mark Stephen; Kenji Numata; Stewart Wu; Haris Riris

doi:10.1117/12.2275215

30 August 2017 New semiconductor laser technology for gas sensing applications in the 1650nm range

Gordon B. Morrison, Jes Sherman, Steven Estrella, Renan L. Moreira, Paul O. Leisher, Milan L. Mashanovitch, Mark Stephen, Kenji Numata, Stewart Wu, Haris Riris

Author Affiliations +

Proceedings Volume 10406, Lidar Remote Sensing for Environmental Monitoring 2017; 1040605 (2017) https://doi.org/10.1117/12.2275215
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

Atmospheric methane (CH4) is the second most important anthropogenic greenhouse gas with approximately 25 times the radiative forcing of carbon dioxide (CO2) per molecule. CH4 also contributes to pollution in the lower atmosphere through chemical reactions leading to ozone production. Recent developments of LIDAR measurement technology for CH4 have been previously reported by Goddard Space Flight Center (GSFC). In this paper, we report on a novel, high-performance tunable semiconductor laser technology developed by Freedom Photonics for the 1650nm wavelength range operation, and for LIDAR detection of CH4. Devices described are monolithic, with simple control, and compatible with low-cost fabrication techniques. We present 3 different types of tunable lasers implemented for this application.

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Gordon B. Morrison, Jes Sherman, Steven Estrella, Renan L. Moreira, Paul O. Leisher, Milan L. Mashanovitch, Mark Stephen, Kenji Numata, Stewart Wu, and Haris Riris "New semiconductor laser technology for gas sensing applications in the 1650nm range", Proc. SPIE 10406, Lidar Remote Sensing for Environmental Monitoring 2017, 1040605 (30 August 2017); https://doi.org/10.1117/12.2275215

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