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Telescopic resonators for large volume TEMoo mode operation

Telescopic resonators for large volume TEMoo mode operation
Telescopic resonators for large volume TEMoo mode operation
A stable resonator incorporating a suitably adjusted telescope gives reliable operation of an Nd:YAG laser with a large-volume TEMoo mode. The telescope adjustment is chosen to minimize the effect of focal length variations in the laser rod and at the same time ensures the optimum mode-selection properties of a confocal resonator. Simple approximations applied to the ray transfer matrices allow a detailed analysis of the resonator to be performed. This analysis yields simple design equations relating the mode spot sizes, resonator length, telescope magnification and defocusing, and diffraction losses. Experimental results show excellent agreement with the results of this analysis.
0306-8919
493-507
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Sawyers, C.G.
4f517924-cc5d-4d4d-8c6a-48c86cf1b2b6
Yuratich, M.A.
80b84a92-aa40-4e03-8c65-993ee5729380
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Sawyers, C.G.
4f517924-cc5d-4d4d-8c6a-48c86cf1b2b6
Yuratich, M.A.
80b84a92-aa40-4e03-8c65-993ee5729380

Hanna, D.C., Sawyers, C.G. and Yuratich, M.A. (1981) Telescopic resonators for large volume TEMoo mode operation. Optical and Quantum Electronics, 13 (6), 493-507. (doi:10.1007/BF00668347).

Record type: Article

Abstract

A stable resonator incorporating a suitably adjusted telescope gives reliable operation of an Nd:YAG laser with a large-volume TEMoo mode. The telescope adjustment is chosen to minimize the effect of focal length variations in the laser rod and at the same time ensures the optimum mode-selection properties of a confocal resonator. Simple approximations applied to the ray transfer matrices allow a detailed analysis of the resonator to be performed. This analysis yields simple design equations relating the mode spot sizes, resonator length, telescope magnification and defocusing, and diffraction losses. Experimental results show excellent agreement with the results of this analysis.

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Published date: November 1981

Identifiers

Local EPrints ID: 78773
URI: https://eprints.soton.ac.uk/id/eprint/78773
ISSN: 0306-8919
PURE UUID: bc063dd3-12bc-465a-a944-e468d760cb7f

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Date deposited: 11 Mar 2010
Last modified: 13 Dec 2018 17:30

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