Lidar technology for measuring trace gases on Mars and Earth

Haris Riris; Kenji Numata; Steve Li; Stewart Wu; James Abshire; Graham Allan; William Hasselbrack; Mike Rodriguez; Jeffrey Chen; Stephen Kawa; Jianping Mao; Clark Weaver; Anthony Yu; Xiaoli Sun

doi:10.1117/12.900870

19 August 2011 Lidar technology for measuring trace gases on Mars and Earth

Haris Riris, Kenji Numata, Steve Li, Stewart Wu, James Abshire, Graham Allan, William Hasselbrack, Mike Rodriguez, Jeffrey Chen, Stephen Kawa, Jianping Mao, Clark Weaver, Anthony Yu, Xiaoli Sun

Author Affiliations +

Proceedings Volume 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging; 819203 (2011) https://doi.org/10.1117/12.900870
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

Many fundamental questions about planetary evolution require monitoring of the planet's atmosphere with unprecedented accuracy at both high and low latitudes, over both day and night and all seasons. Each planetary atmosphere presents its own unique challenges. For the planets/moons that have relatively low surface pressure and low trace gas concentrations, such as Mars or Europa, the challenge is to have enough sensitivity to measure the trace gas of interest. For Earth, the challenge is to measure trace gases with very high precision and accuracy in the presence of other interfering species. An orbiting laser remote sensing instrument is capable of measuring trace gases on a global scale with unprecedented accuracy, and higher spatial resolution that can be obtained by passive instruments. For Mars, our proposed measurement uses Optical Parametric Amplifiers (OPA) and Integrated Path Differential Absorption (IDPA) in the 3-4 um spectral range to map various trace gas concentrations from orbit on a global scale. For earth, we propose to use Erbium Doped Fiber Amplifier technology (EDFA) and IDPA at 1.57 and OPA at 1.65 μm to measure carbon dioxide and methane concentrations respectively.

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Haris Riris, Kenji Numata, Steve Li, Stewart Wu, James Abshire, Graham Allan, William Hasselbrack, Mike Rodriguez, Jeffrey Chen, Stephen Kawa, Jianping Mao, Clark Weaver, Anthony Yu, and Xiaoli Sun "Lidar technology for measuring trace gases on Mars and Earth", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 819203 (19 August 2011); https://doi.org/10.1117/12.900870

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KEYWORDS

Methane

Gases

Mars

LIDAR

Absorption

Carbon dioxide

Earth's atmosphere

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