High-power cw operation of diode laser transversely-pumped Nd:YAG lasers

10 April 1995

proceedings article
Published by SPIE-Intl Soc Optical Eng

Vol. 2379, 120-129
https://doi.org/10.1117/12.206459

Abstract

We report on diode laser side-pumped, cw Nd:YAG rod lasers operating at pump powers up to 1 kW. With linear diode laser arrays as pump sources a pump power of 90 W/cm is realized. In multimode operation at 1064 nm, output powers of more than 300 W cw are observed. Applying a dynamically stable resonator design, an output power of more than 45 W in TEM₀₀ mode operation is realized with an optical-to-optical efficiency of more than 11%. Higher pump powers up to several 100 W/cm can be achieved by using fiber-coupled diode lasers as pump sources. Laser performance, thermal properties and possible applications of these laser systems will be discussed.

Keywords

RESONATORS
SEMICONDUCTOR LASERS
LASERS

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