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Proceedings Paper

Materials for high-power second-harmonic generation
Author(s): Jacek K. Tyminski; George Frangineas; Edward J. Reed; William K. Bischel
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Paper Abstract

The frequency doubling of laser radiation at 1064 nm is studied in order to characterize efficient harmonic materials capable of delivering second-harmonic average power at the multiwatt level. Three nonlinear materials are considered: Mg:LiNbO3, potassium titanyl phosphate (KTP), and lithium triborate (LBO). No photoreactive damage is observed in Mg:LiNbO3; however, it exhibits broadening of the temperature tuning curves and distortion of the harmonic beam. An average output power in excess of three watts is extracted from KTP, but the material shows optically induced nonuniformities in the n(z) refractive index. LBO as a harmonic converter achieves 2.2 W at 532 nm, though the fundamental beam has to be tightly focused in the crystal.

Paper Details

Date Published: 1 April 1990
PDF: 9 pages
Proc. SPIE 1223, Solid State Lasers, (1 April 1990); doi: 10.1117/12.18397
Show Author Affiliations
Jacek K. Tyminski, Coherent, Inc. (United States)
George Frangineas, Coherent, Inc. (United States)
Edward J. Reed, Coherent, Inc. (United States)
William K. Bischel, Coherent, Inc. (United States)


Published in SPIE Proceedings Vol. 1223:
Solid State Lasers
George Dube, Editor(s)

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