Frequency doubling of mid-infrared radiation in gallium selenide
- 1 June 1996
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 21 (11) , 773-775
- https://doi.org/10.1364/ol.21.000773
Abstract
Gallium selenide has been used as a frequency doubler for the output of a high-power, short-pulse, mid-infrared free-electron laser. Internal conversion efficiencies up to 36% have been achieved in the wavelength range from 6.3 to 12 microm. The second-harmonic output was stable over many hours at peak power levels of 1-2 MW.Keywords
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