Abstract

A compact, lightweight, and efficient fiber laser lidar system has been developed to measure water vapor profiles in the lower atmosphere of Earth or Mars. The line narrowed laser consist of a Tm:germanate fiber pumped by two 792nm diode arrays. The fiber laser transmits 0.5mJ Q- switched pulses at 5Hz and can be tuned to water vapor lines near 1.94μm with linewidth of 20pm. A lightweight lidar receiver telescope was constructed of carbon epoxy fiber with a 30cm Fresnel lens and an advanced HgCdTe APD detector. This system has made preliminary atmospheric measurements.

© 2010 Optical Society of America

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