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Explanation of the mechanism for acousto-optically induced unidirectional operation of a ring laser

Clarkson, W.A., Neilson, A.B. and Hanna, D.C. (1992) Explanation of the mechanism for acousto-optically induced unidirectional operation of a ring laser Optics Letters, 17, (8), pp. 601-603.

Record type: Article

Abstract

A mechanism is proposed for the nonreciprocal behavior of a traveling-wave acousto-optic Q switch, whose use can provide an effective way to enforce unidirectional and hence single-frequency operation of a ring laser. Simple energy and momentum conservation considerations show that the Bragg condition is satisfied at different angles of incidence for the two counterpropagating beams, which leads to a difference in their diffraction losses. The loss difference, measured directly for a diode-pumped Nd:YAG ring laser, yielded values in close agreement with calculated values. Implications of these results for both single-frequency cw and Q-switched operation of diode-pumped solid-state ring lasers are discussed.

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Published date: 1992

Identifiers

Local EPrints ID: 78536
URI: http://eprints.soton.ac.uk/id/eprint/78536
ISSN: 0146-9592
PURE UUID: 0d229307-ea05-4f62-bada-a366d68ddb71

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Date deposited: 11 Mar 2010
Last modified: 25 Sep 2017 22:30

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Contributors

Author: W.A. Clarkson
Author: A.B. Neilson
Author: D.C. Hanna

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