High-efficiency pulsed 10. 6-. mu. m phase-conjugate reflection via degenerate four-wave mixing
Journal Article
·
· Opt. Lett.; (United States)
We present the first reported observation in the infrared of nonlinear phase-conjugated reflection. This was achieved via degenerate four-wave mixing in polycrystalline germanium. The observation was facilitated by taking advantage of the counterpropagating (strong) waves internal to a pulsed CO/sub 2/ laser cavity. The measured effective reflectivity was 2% with a 10-mm interaction length. This simple intracavity technique is generally applicable to any nonlinear material transparent at the wavelength of the laser into which it is inserted.
- Research Organization:
- Los Alamos Scientific Laboratory, University of California, Los Alamos, New Mexico 87545
- OSTI ID:
- 6649975
- Journal Information:
- Opt. Lett.; (United States), Journal Name: Opt. Lett.; (United States) Vol. 3:3; ISSN OPLED
- Country of Publication:
- United States
- Language:
- English
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