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25 October 2002 Optimization of spaceborne laser absorption spectroscopy sensor using parameter design
William E. Sharp, Michael E. Dobbs, Jeremiah Zimmermann, Mark C. Abrams
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Proceedings Volume 4772, Electro-Optical System Design, Simulation, Testing, and Training; (2002) https://doi.org/10.1117/12.451835
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States
Abstract
A number of gases present in the atmosphere play roles of interest to various parties. These are CO2 for its impact on understanding of global sources and sinks of Carbon, CH4 and H2O and their importance for global climate change, HCl and its importance in chemical processes. A space-borne sensor using multiple-wavelength Laser Absorption Spectroscopy (LAS) and mature CW fiber telecom lasers can address the critical questions concerning present and future patterns in these gases. The sensor identified above was designed from the outset using Taguchi Robust design techniques because of the need to adjust to varying science measurement requirements and technology capability as well as achieving optimum performance for optimum cost. The results describe a sensor with a SNR of 150 with a power aperture product of 3.92 watts-m2 on the absorption line is sufficient to meet the science requirements of 0.5% accuracy for determining the column density of CO2.
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William E. Sharp, Michael E. Dobbs, Jeremiah Zimmermann, and Mark C. Abrams "Optimization of spaceborne laser absorption spectroscopy sensor using parameter design", Proc. SPIE 4772, Electro-Optical System Design, Simulation, Testing, and Training, (25 October 2002); https://doi.org/10.1117/12.451835
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KEYWORDS
Sensors
Signal to noise ratio
Atmospheric modeling
Carbon dioxide
Absorption
Absorption spectroscopy
Fiber lasers
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