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21 November 2017 High-energy, 2µm laser transmitter for coherent wind LIDAR
Upendra N. Singh, Jirong Yu, Michael J. Kavaya, Grady J. Koch
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Proceedings Volume 10566, International Conference on Space Optics — ICSO 2008; 105661N (2017) https://doi.org/10.1117/12.2308205
Event: International Conference on Space Optics 2008, 2008, Toulouse, France
Abstract
A coherent Doppler lidar at 2μm wavelength has been built with higher output energy (300 mJ) than previously available. The laser transmitter is based on the solid-state Ho:Tm:LuLiF, a NASA Langley Research Center invented laser material for higher extraction efficiency. This diode pumped injection seeded MOPA has a transform limited line width and diffraction limited beam quality. NASA Langley Research Center is developing coherent wind lidar transmitter technology at eye-safe wavelength for satellite-based observation of wind on a global scale. The ability to profile wind is a key measurement for understanding and predicting atmospheric dynamics and is a critical measurement for improving weather forecasting and climate modeling. We would describe the development and performance of an engineering hardened 2μm laser transmitter for coherent Doppler wind measurement from ground/aircraft/space platform.
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Upendra N. Singh, Jirong Yu, Michael J. Kavaya, and Grady J. Koch "High-energy, 2µm laser transmitter for coherent wind LIDAR", Proc. SPIE 10566, International Conference on Space Optics — ICSO 2008, 105661N (21 November 2017); https://doi.org/10.1117/12.2308205
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KEYWORDS
LIDAR
Transmitters
Ions
Oscillators
Thulium
Wind energy
Fiber amplifiers
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