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Photorefractive techniques for diode laser beam combination

MacCormack, S. and Eason, R.W. (1992) Photorefractive techniques for diode laser beam combination Journal of Nonlinear Optical Physics and Materials, 1, (2), pp. 431-455. (doi:10.1142/S0218199192000212).

Record type: Article


Techniques for high-power laser array beam combination processes involving photorefractive materials are reviewed. Details of an all semiconductor laser scheme for the amplification and subsequent photorefractive beam clean-up of a diffraction limited single-mode laser output is presented. Powers in excess of 100 mW ( > 220 mW accounting for Fresnel losses) are obtained in a diffraction limited signal beam, corresponding to an array to diffraction limited beam transfer efficiency of 33%. Details of the reflection geometry phase conjugate master oscillator-power amplifier scheme which offers the possibility of power scaling between a number of high-power semiconductor laser amplifiers are presented. Using this technique, a 13-dB amplification of a diffraction limited signal beam is obtained using a commercially available, 10-stripe gain-guided device with no special coatings.

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Published date: 1992


Local EPrints ID: 78513
ISSN: 0218-8635
PURE UUID: f7b06c81-6515-4adf-8ca8-7e1925c1c498
ORCID for R.W. Eason: ORCID iD

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:23

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Author: S. MacCormack
Author: R.W. Eason ORCID iD

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