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), 431-455. (doi:10.1142/S0218199192000212 ).
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Description/Abstract
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.
| Item Type: | Article |
|---|---|
| ISSNs: | 0218-8635 (print) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 78513 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 02 Mar 2012 13:02 |
| Contributors: | MacCormack, S. (Author) Eason, R.W. (Author) |
| Date: | 1992 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/78513 |
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