In-line quantitative phase imaging for damage detection and analysis

Dam-Bé L. Douti; Sherazade Aknoun; Serge Monneret; Christophe Hecquet; Mireille Commandré; Laurent Gallais

doi:10.1117/12.2068178

31 October 2014 In-line quantitative phase imaging for damage detection and analysis

Dam-Bé L. Douti, Sherazade Aknoun, Serge Monneret, Christophe Hecquet, Mireille Commandré, Laurent Gallais

Proceedings Volume 9237, Laser-Induced Damage in Optical Materials: 2014; 92371A (2014) https://doi.org/10.1117/12.2068178
Event: SPIE Laser Damage, 2014, Boulder, Colorado, United States

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.

Citation Download Citation

Dam-Bé L. Douti, Sherazade Aknoun, Serge Monneret, Christophe Hecquet, Mireille Commandré, and Laurent Gallais "In-line quantitative phase imaging for damage detection and analysis", Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 92371A (31 October 2014); https://doi.org/10.1117/12.2068178

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