High-power cw diode-pumped Nd:YAG rod lasers for industrial applications

Guenter Hollemann; Holger Mueller; Hermann A. Voelckel

doi:10.1117/12.238080

11 April 1996 High-power cw diode-pumped Nd:YAG rod lasers for industrial applications

Guenter Hollemann, Holger Mueller, Hermann A. Voelckel

Proceedings Volume 2772, Laser Optics '95: Solid State Lasers; (1996) https://doi.org/10.1117/12.238080
Event: Laser Optics '95, 1995, St. Petersburg, Russian Federation

Abstract

The use of a cw diode-pumped Nd:YAG rod laser for industrial applications is investigated. The laser is pumped by water cooled high-power laser diode bars in a star-shaped transverse pumping configuration. An output power of 75 W is achieved with 240 W of pumping power, corresponding to 40% slope efficiency. Thermal lensing and birefringence of a laser rod with a diameter of 4 mm is investigated. High fundamental transverse mode and second harmonic efficiency is reported. A simple scalable concept for lasers with 10 W to 100 W output power is presented.

Citation Download Citation

Guenter Hollemann, Holger Mueller, and Hermann A. Voelckel "High-power cw diode-pumped Nd:YAG rod lasers for industrial applications", Proc. SPIE 2772, Laser Optics '95: Solid State Lasers, (11 April 1996); https://doi.org/10.1117/12.238080

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