Progress on High Energy Optical Parametric Transmitter for Multiple Greenhouse Gases DIAL

Abstract : We report on a DIAL emitter for remote sensing of greenhouse gases, capable of addressing the three species of interest (CO 2 , CH 4 and H 2 O) 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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Submitted on : Wednesday, November 26, 2014 - 4:58:08 PM
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J. Barrientos Barria, D. Mammez, J.B. Dherbecourt, M. Raybaut, J.M. Melkonian, et al.. Progress on High Energy Optical Parametric Transmitter for Multiple Greenhouse Gases DIAL. International Conference on Space Optics (ICSO 2014), Oct 2014, TENERIFE, Spain. ⟨hal-01087816⟩

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