| Issue |
Europhys. Lett.
Volume 53, Number 2, January 2001
|
|
|---|---|---|
| Page(s) | 190 - 196 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2001-00135-4 | |
| Published online | 01 December 2003 | |
Beam bending in photorefractive conjugators
1
Faculty of Sciences, University of Kragujevac
P.O. Box 60, 34000 Kragujevac, Yugoslavia
2
Institute of Physics - P.O. Box 57, 11001 Belgrade, Yugoslavia
3
Institute of Applied Physics, University of Technology Darmstadt
Hochschulstr. 4a, 64289 Darmstadt, Germany
Received:
22
March
2000
Accepted:
10
November
2000
Strong bending of laser beams in photorefractive conjugators is explained using the grating action method and Fermat's principle. A bent bidirectional optical path in the crystal consists of a finite number of kinks formed at the double-phase conjugate interaction regions, and straight segments in between. The device in operation strives to minimize the optical path length and maximize the coupling between beams.
PACS: 42.65.Hw – Phase conjugation, optical mixing, and photorefractive effect
© EDP Sciences, 2001
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