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Proceedings Paper

Gray-track damage in KTiOPO4 crystals
Author(s): Patricia A. Morris; August Ferretti; Mark G. Roelofs; John D. Bierlein; Thomas M. Baer
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Paper Abstract

A correlation is observed between the laser and electric-field damage susceptibilities of most KTiOPO4 (KTP) crystals. The observed gray track damage susceptibilities are found to be correlated to the concentrations of defects in the crystals which can stabilize the Ti3+ damage defect sites in KTP. These stabilizing defects are those which can have an effective positive charge, such as oxygen vacancies, protons, and Ba and F impurities. The defects present in KTP crystals depend on the technique (hydrothermal or flux) used for growth. Post-growth processing techniques have been developed which reduce the laser gray track and electric-field damage susceptibilities of both hydrothermal and flux KTP.

Paper Details

Date Published: 24 June 1993
PDF: 11 pages
Proc. SPIE 1848, 24th Annual Boulder Damage Symposium Proceedings -- Laser-Induced Damage in Optical Materials: 1992, (24 June 1993); doi: 10.1117/12.147398
Show Author Affiliations
Patricia A. Morris, E.I. du Pont de Nemours & Co., Inc. (United States)
August Ferretti, E.I. du Pont de Nemours & Co., Inc. (United States)
Mark G. Roelofs, E.I. du Pont de Nemours & Co., Inc. (United States)
John D. Bierlein, E.I. du Pont de Nemours & Co., Inc. (United States)
Thomas M. Baer, Spectra Physics (United States)


Published in SPIE Proceedings Vol. 1848:
24th Annual Boulder Damage Symposium Proceedings -- Laser-Induced Damage in Optical Materials: 1992
Harold E. Bennett; Lloyd L. Chase; Arthur H. Guenther; Brian Emerson Newnam; M. J. Soileau, Editor(s)

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