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    An OPO-Based Lidar System for Differential Absorption Measurements of Methane in the 3 micron region (1998)
    In:  CASI
    Details
    Publication Date: 2019-08-15
    Description: A ground-based lidar system in the wavelength region of 1.45-4 microns for the remote measurement of methane is described. The laser transmitter consists of an injection-seeded Nd:YAG laser which pumps an OPO (optical parametric oscillator). The OPO output is tunable from 1.45-4 microns, with a bandwidth less than 500 MHz, and a pulse energy of 1 to 3 mJ at 3.29 microns. The receiver is cart-mounted and consists of a 14" telescope with 1.57 and 3.29 micron detector channels. A fast oscilloscope is used for data acquisition. The system performance will be tested through measurements of sources of atmospheric methane.
    Keywords: Instrumentation and Photography
    Type: Nineteenth International Laser Radar Conference; Part 2; 853-856; NASA/CP-1998-207671/PT2
    Format: text
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