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Proceedings Paper

In-line quantitative phase imaging for damage detection and analysis
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Paper Abstract

We investigate quantitative phase imaging as a measurement method for laser damage detection and analysis of laser induced modification of optical materials. Experiments have been conducted with a wavefront sensor based on lateral shearing interferometry technique associated to a high magnification optical microscope. The system has been used for in situ observation of optical thin films and bulk samples irradiated by 500fs pulses. It is shown that the technique realizes high sensitivity, convenient use and can provide quantitative information on the refractive index or surface modification of the samples under test.

Paper Details

Date Published: 31 October 2014
PDF: 9 pages
Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 92371A (31 October 2014); doi: 10.1117/12.2068178
Show Author Affiliations
Dam-Bé L. Douti, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Sherazade Aknoun, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Phasics SA (France)
Serge Monneret, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Christophe Hecquet, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Mireille Commandré, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)
Laurent Gallais, Aix-Marseille Univ., CNRS, Centrale Marseille, Institut Fresnel (France)


Published in SPIE Proceedings Vol. 9237:
Laser-Induced Damage in Optical Materials: 2014
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau; Detlev Ristau, Editor(s)

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