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MUTUALLY PUMPED PHASE-CONJUGATE MIRROR - FISH-HEAD CONFIGURATION

CHANG, CC; SELVIAH, DR; (1995) MUTUALLY PUMPED PHASE-CONJUGATE MIRROR - FISH-HEAD CONFIGURATION. OPT LETT , 20 (7) 677 - &.

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Abstract

A new mutually pumped phase-conjugate mirror configuration is demonstrated in barium titanate crystals, in which the beams travel in a geometrical path, similar to the outline of a fish's head. This configuration has a fast (similar to 1-s) response time, for input beam powers of 56 mW, after which a stable phase-conjugate reflectivity of similar to 28% is attained. The tolerance of the output to both angular and positional misalignment is assessed. Two detailed images were simultaneously phase conjugated, and it was found that 125-mu m features could be clearly resolved without cross talk. We tentatively suggest possible mechanisms for this configuration.

Type: Article
Title: MUTUALLY PUMPED PHASE-CONJUGATE MIRROR - FISH-HEAD CONFIGURATION
Keywords: INTERNAL-REFLECTION, INCOHERENT BEAMS, DIODE-LASER, BATIO3
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/2636
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