Adaptation of a photorefractive holographic interferometer for analysis of centimetric to micrometric objects

Marc Georges; Cédric Thizy; Jean Tiberghien; Philippe Lemaire

doi:10.1117/12.696014

15 September 2006 Adaptation of a photorefractive holographic interferometer for analysis of centimetric to micrometric objects

Marc Georges, Cédric Thizy, Jean Tiberghien, Philippe Lemaire

Author Affiliations +

Proceedings Volume 6341, Speckle06: Speckles, From Grains to Flowers; 634139 (2006) https://doi.org/10.1117/12.696014
Event: Speckle06: Speckles, From Grains to Flowers, 2006, Nimes, France

Abstract

The holographic camera developed by CSL was aimed at observing of medium to large opaque scattering objects. In the recent times, we received an increasing demand of measurement on small objects (a few centimetres wide) or micrometric systems (MEMS). In the last case, most of them are specular objects ranging to a few microns. The imaging and illumination systems of our holographic device was naturally not adapted to such new objects. Therefore we decided to study a new optical extension to the current system which matches these new needs. Nevertheless the type of displacement that can be measured remain similar to the ones covered by the previous system. We present various examples of applications brought by industrial partners.

Citation Download Citation

Marc Georges, Cédric Thizy, Jean Tiberghien, and Philippe Lemaire "Adaptation of a photorefractive holographic interferometer for analysis of centimetric to micrometric objects", Proc. SPIE 6341, Speckle06: Speckles, From Grains to Flowers, 634139 (15 September 2006); https://doi.org/10.1117/12.696014

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