Tunable Far-Infrared Radiation Generated from the Difference Frequency between Two Ruby Lasers
- 10 April 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 180 (2), 363-365
- https://doi.org/10.1103/physrev.180.363
Abstract
Far-infrared radiation generated from the difference frequency between two temperature-tuned ruby lasers has been observed over the frequency range from 1.2 to 8.1 . Lithium niobate and quartz were used as mixing crystals. The conversion efficiency was measured as a function of angle around the phase-matched direction. The expected spectral content and frequency of the far-infrared radiation has been verified using a far-infrared Fabry-Perot interferometer.
Keywords
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