REDUCTION IN SHG EFFICIENCY IN TELLURIUM BY PHOTOINDUCED CARRIERS
- 1 October 1970
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 17 (7) , 302-305
- https://doi.org/10.1063/1.1653411
Abstract
Absorption of 10.6‐μ pump radiation by photoinduced carriers has been found to seriously degrade the performance of Te as a frequency doubler for the CO2 laser. Simultaneous absorption of 5.3‐ and 10.6‐μ photons is shown to be the most likely mechanism for carrier production. The effect limits the peak SHG efficiency to 15% and the average efficiency to 5% under the conditions of this experiment. The effect may also degrade the performance of proposed parametric oscillators using Te as the nonlinear element.Keywords
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