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Neodymium-doped yttrium aluminum garnet laser with transverse diode pumping and a system for cooling the active element with thermoelectric modules

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Abstract

This paper proposes an illuminator for a laser-diode pumping system that includes a plate–focon system and counter-reflectors, as well as a way to cool the active element of a solid-state neodymium-doped yttrium aluminum garnet laser by means of thermoelectric modules based on the Peltier effect. Results are given of a study of the given laser, operating in the pulsed, pulsed-periodic, and continuous modes. In a flat cavity with backstop and half-silvered output mirrors, a radiation power of 2.5 W can be attained in the beam in the continuous regime.

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