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Proceedings Paper

Comparison of ns and sub-ns laser conditioning of KDP and DKDP crystals for high-power lasers
Author(s): C. Maunier; B. Bertussi; D. Damiani; T. Donval; G. Duchateau; A. . Dyan; G. Gaborit; L. Lamaignère; X. Leborgne; M. Loiseau; H. Mathis; G. Raze
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Paper Abstract

In this paper, we present various laser conditioning experiments which have been performed with KDP SHG and DKDP THG samples. The different conditioning facilities used delivered laser pulses at 351 nm in the nanosecond (from 3 to 12 ns) or in the sub-ns (600 ps) regime. Finally, the efficiency of the various conditioning protocols was compared: 526 nm-6 ns and 351 nm-3 ns damage tests were performed respectively on SHG and THG samples. The results show that laser-conditioning SHG KDP samples at 351 nm either with ns or sub-ns pulses allows reducing the laser damage density so that it becomes consistent with the specification of high power lasers. They also confirm that conditioning THG DKDP samples at 351 nm using sub-ns pulses is more efficient than using ns pulses.

Paper Details

Date Published: 18 December 2007
PDF: 9 pages
Proc. SPIE 6720, Laser-Induced Damage in Optical Materials: 2007, 67201L (18 December 2007); doi: 10.1117/12.752826
Show Author Affiliations
C. Maunier, CEA-CESTA (France)
B. Bertussi, CEA-Le Ripault (France)
D. Damiani, CEA-Le Ripault (France)
T. Donval, CEA-CESTA (France)
G. Duchateau, CEA-Le Ripault (France)
A. . Dyan, CEA-Le Ripault (France)
G. Gaborit, CEA-CESTA (France)
L. Lamaignère, CEA-CESTA (France)
X. Leborgne, CEA-Le Ripault (France)
M. Loiseau, CEA-CESTA (France)
H. Mathis, CEA-Le Ripault (France)
G. Raze, CEA-CESTA (France)

Published in SPIE Proceedings Vol. 6720:
Laser-Induced Damage in Optical Materials: 2007
Gregory J. Exarhos; Arthur H. Guenther; Keith L. Lewis; Detlev Ristau; M. J. Soileau; Christopher J. Stolz, Editor(s)

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