Telescopic resonators for large-volume TEM/00/-mode operation

Details Telescopic resonators for large-volume TEM/00/-mode operation Telescopic resonators for large-volume TEM/00/-mode operation

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981optqe..13..493h&link_type=abstract

Optical and Quantum Electronics, vol. 13, Nov. 1981, p. 493-507. Research supported by the Science Research Council.

Physics

7

Laser Cavities, Laser Modes, Laser Stability, Optical Resonators, Yag Lasers, Continuous Wave Lasers, Defocusing, Design Analysis, Field Mode Theory, Neodymium Lasers, Q Switched Lasers, Telescopes, Wave Diffraction

Scientific paper

A stable resonator incorporating a suitably adjusted telescope gives reliable operation of an Nd:YAG laser with a large-volume TEM/00/ 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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