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17 November 2017 Progress on high energy optical parametric transmitter for multiple greenhouse gases dial
J. Barrientos Barria, D. Mammez, J.-B. Dherbecourt, M. Raybaut, J.-M. Melkonian, J. Pelon, A. Godard, M. Lefebvre
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Proceedings Volume 10563, International Conference on Space Optics — ICSO 2014; 105633S (2017) https://doi.org/10.1117/12.2304157
Event: International Conference on Space Optics — ICSO 2014, 2014, Tenerife, Canary Islands, Spain
Abstract
We report on a DIAL emitter for remote sensing of greenhouse gases, capable of addressing the three species of interest (CO2, CH4 and H2O) for space applications with a single optical source. It is based on an amplified Nested Cavities Optical Parametric Oscillator (NesCOPO) around 2 μm. The source is single frequency over a wide range of tuneability between 2.05 – 2.3 μm, and shows a typical energy conversion efficiency of 20% toward the signal wave. Spectral analysis shows a linewidth better than 100 MHz. These performances are measured in the vicinity of absorption lines of interest for space remote sensing of the three gases.
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J. Barrientos Barria, D. Mammez, J.-B. Dherbecourt, M. Raybaut, J.-M. Melkonian, J. Pelon, A. Godard, and M. Lefebvre "Progress on high energy optical parametric transmitter for multiple greenhouse gases dial", Proc. SPIE 10563, International Conference on Space Optics — ICSO 2014, 105633S (17 November 2017); https://doi.org/10.1117/12.2304157
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KEYWORDS
Ferroelectric materials
Absorption
Carbon monoxide
Crystals
Gases
Optical amplifiers
Optical parametric oscillators
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