Correlation between absorption and scattering imaging in optical materials (Abstract Only)

Mireille Commandre; Alexandre Gatto; Annelise During; Caroline Fossati

doi:10.1117/12.425022

12 April 2001 Correlation between absorption and scattering imaging in optical materials (Abstract Only)

Mireille Commandre, Alexandre Gatto, Annelise During, Caroline Fossati

Proceedings Volume 4347, Laser-Induced Damage in Optical Materials: 2000; (2001) https://doi.org/10.1117/12.425022
Event: Laser-Induced Damage in Optical Materials: 2000, 2000, Boulder, CO, United States

Abstract

Absorption and scattering present local defects which can be imaged simultaneously in exactly the same conditions, allowing a precise study of correlation between absorption and scattering spatial variations in thin film materials and surfaces. Absorption A is linearly related to the extinction coefficient whereas scattering S is mainly due to surface profile and refractive index variations. Furthermore spatial frequencies involved in these variations take a great part in scattering. However imaginary and real parts of the complex index are related by KK relations, and correlation A/S depending on the wavelength can be expected. Simulations in fused silica are presented. Studies of correlation give information about nature of defects.

Citation Download Citation

Mireille Commandre, Alexandre Gatto, Annelise During, and Caroline Fossati "Correlation between absorption and scattering imaging in optical materials (Abstract Only)", Proc. SPIE 4347, Laser-Induced Damage in Optical Materials: 2000, (12 April 2001); https://doi.org/10.1117/12.425022

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