Design and laboratory characterization of a highly efficient all-solid-state 200-mJ UV light source for ozone DIAL measurements

Darrell J. Armstrong; Arlee V. Smith

doi:10.1117/12.466238

21 March 2003 Design and laboratory characterization of a highly efficient all-solid-state 200-mJ UV light source for ozone DIAL measurements

Darrell J. Armstrong, Arlee V. Smith

Author Affiliations +

Proceedings Volume 4893, Lidar Remote Sensing for Industry and Environment Monitoring III; (2003) https://doi.org/10.1117/12.466238
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

Design and laboratory characterization of a highly efficient all solid state 200 mJ UV light source for ozone dial measurements We are carrying out initial laboratory tests of an all solid state UV source designed to generate 200 mJ pulses of 320 nm light based on sum-frequency mixing of the 532 nm second harmonic of an Nd:YAG pump laser with 803 nm light derived from a nanosecond optical parametric oscillator. The sum-frequency stage was designed to obtain mixing efficiency approaching 60% by carefully matching the spatial and temporal properties of the 532 nm and 803 nm pulses. The nearly equal balance of 532 nm to 803 nm photons required an injection-seeded Nd:YAG pump laser and an OPO exhibiting exceptional signal beam quality and unusually high conversion efficiency. The OPO was designed to meet these requirements by employing a high Fresnel-number image-rotating nonplanar ring cavity producing signal beams with M-squared of approximately 3 that was pulsed self-injection seeded with the goal of obtaining greater than 75% conversion of pump energy into the signal and idler. This design can easily be modified to produce other UV wavelengths in the range of 300 nm to 320 nm.

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Darrell J. Armstrong and Arlee V. Smith "Design and laboratory characterization of a highly efficient all-solid-state 200-mJ UV light source for ozone DIAL measurements", Proc. SPIE 4893, Lidar Remote Sensing for Industry and Environment Monitoring III, (21 March 2003); https://doi.org/10.1117/12.466238

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