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Conference Paper
Advanced Solid State Lasers
Boston, Massachusetts United States
January 31, 1999
Poster Session I (MB)

Diode-pumped cw all solid-state laser at 266 nm

Eckhard Zanger, Ralf Müller, Baining Liu, Michael Kötteritzsch, and Wolfgang Gries


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The first cw high-power UV laser at 266 nm is accomplished by an intracavity frequency doubled and externally quadrupled diode-pumped Nd:YAG laser. The quadrupling stage is an actively stabilized unidirectional ring cavity based on the patent-pending DeltaConcept, where a minimum number of optical components -- two mirrors and one prism are used. The symmetrical Brewster-angled beam path through the piezo-driven prism guarantees an extremely stable cavity length stabilization and provides a geometry-invariant alignment. Minimum losses result in a power enhancement up to 150. By using Brewster-cut BBO crystals the high-power cw UV laser can deliver 266 nm radiation with an output power of 1.5 Watt at a green pumping power of 5 W.

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3610) Lasers and laser optics : Lasers, ultraviolet

E. Zanger, R. Müller, B. Liu, M. Kötteritzsch, and W. Gries, "Diode-pumped cw all solid-state laser at 266 nm," in Advanced Solid State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics (Optical Society of America, 1999), paper MB4.

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