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Proceedings Paper

Laser damage resistance of thin films for ultraviolet optical components
Author(s): Angela M. Piegari; Maria Rita Perrone; Maria Lucia Protopapa
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Paper Abstract

The laser induced damage in optical coatings plays a limiting role in the laser reliability. Either the laser cavity mirrors and the optical components employed outside the cavity are often damaged by the laser radiation, delivered by high power lasers. Their resistance becomes more critical at shorter wavelengths, therefore the research is focused on the ultraviolet region where excimer lasers are finding many applications. Laser damage studies were performed at 248 nm (KrF laser) and 308 nm (XeCl laser) on MgF2, HfO2 and SiO2 films and multilayer coatings. Results about the dependence of the damage threshold on both the deposition technique and standing-wave electric field profile inside the coating, are reported.

Paper Details

Date Published: 29 June 2001
PDF: 13 pages
Proc. SPIE 4430, ROMOPTO 2000: Sixth Conference on Optics, (29 June 2001); doi: 10.1117/12.432820
Show Author Affiliations
Angela M. Piegari, ENEA (Italy)
Maria Rita Perrone, Univ. degli Studi di Lecce (Italy)
Maria Lucia Protopapa, Univ. degli Studi di Lecce (Italy)


Published in SPIE Proceedings Vol. 4430:
ROMOPTO 2000: Sixth Conference on Optics

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