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Temperature and pulse-duration dependence of second-harmonic generation in CdGeAs2. | LitMetric
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Temperature and pulse-duration dependence of second-harmonic generation in CdGeAs2.

Andrew Zakel James L Blackshire Peter G Schunemann Scott D Setzler Jonathan Goldstein Shekhar Guha

Appl Opt

U.S. Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright Patterson Air Force Base, Dayton, Ohio 45433-7702, USA.

Published: April 2002

A detailed investigation of frequency doubling of a transversely excited atmospheric CO2 laser operating at 9.55 microm with a CdGeAs2 crystal was carried out. The temperature of the crystal was varied between 80 and 295 K to maximize the frequency-doubled energy. The temporal shape of the generated beam at 4.775 microm was monitored to calculate its peak power. High values of midwave infrared pulse energy (16.65 mJ) and peak power (92 kW) were obtained, which can be of potential use in lidar systems.

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http://dx.doi.org/10.1364/ao.41.002299DOI Listing

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