Abstract
Developments in the performance of optical parametric oscillators (OPOs) have significantly improved the lidar measurement capabilities in the 0.5 µm to 5 µm spectral region. We have recently developed a new eye-safe, infrared optical parametric oscillator (OPO) and have used it as the source in a direct-detection lidar system to make range-resolved backscatter measurements of the atmosphere. The OPO, which was fabricated by Schwartz Electo-Optics, consisted of a Nd:YAG pumped KTP OPO and produced an output pulse with energy of about 160 mJ, pulse repetition frequency of 10 Hz, wavelength of 1.57 µm, and transverse mode quality described by M2 ≈ 50.
© 1997 Optical Society of America
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