High-efficiency wavefront reversal in germanium and in inverted CO/sub 2/ (review)
Journal Article
·
· Sov. J. Quant. Electron. (Engl. Transl.); (United States)
The first observations were made of phase-conjugate reflection at 10.6 ..mu... A novel intracavity technique of general utility for any oscillating laser system was used. In one arrangement, germanium was placed in a TEA CO/sub 2/ laser cavity to utilize the intracavity counterpropagating (strong) waves in degenerate four-wave mixing. Reflectivities up to 20% were obtained. In a second arrangement, phase-conjugate reflection and amplification with an effective gain in excess of unity was achieved by redirecting the output of a TEA CO/sub 2/ laser oscillator into its own active medium. The strong counterpropagating waves coupled with the saturated-gain medium to provide nonlinearity in a process analogous to degenerate four-wave mixing.
- Research Organization:
- University of California, Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87544
- OSTI ID:
- 5560741
- Journal Information:
- Sov. J. Quant. Electron. (Engl. Transl.); (United States), Journal Name: Sov. J. Quant. Electron. (Engl. Transl.); (United States) Vol. 9:11; ISSN SJQEA
- Country of Publication:
- United States
- Language:
- English
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