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Proceedings Paper

Laser damage threshold of MgF2 thin films by photoacoustic beam deflection
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Paper Abstract

The photoacoustic beam deflection technique at (lambda) equals 248 nm was employed for the measurement of the laser damage threshold of single films of magnesium fluoride deposited on superpolished calcium fluoride and fused silica substrates. Different samples were investigated. All films have similar thickness but are deposited by various techniques in different laboratories. The samples are fully characterized, both from the optical and the structural point of view, in the framework of a European Project on 'UV-coatings'. The results of these measurements are reported, along with the data on laser damage threshold, to find out which are the most significant parameters for laser applications.

Paper Details

Date Published: 3 March 2000
PDF: 7 pages
Proc. SPIE 3902, Laser-Induced Damage in Optical Materials: 1999, (3 March 2000); doi: 10.1117/12.379303
Show Author Affiliations
Maria Lucia Protopapa, Univ. of Lecce (Italy)
Maria Rita Perrone, Univ. of Lecce (Italy)
Angela M. Piegari, ENEA (Italy)
Enrico Masetti, ENEA (Italy)
Detlev Ristau, Laser Zentrum Hannover e.V. (Germany)
Etienne Quesnel, CEA-LETI (France)
Angela Duparre, Fraunhofer-Institut fuer Angewandte Optik und Feinmechanik (Germany)


Published in SPIE Proceedings Vol. 3902:
Laser-Induced Damage in Optical Materials: 1999
Gregory J. Exarhos; Arthur H. Guenther; Mark R. Kozlowski; Keith L. Lewis; M. J. Soileau, Editor(s)

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