A Thermoplastic Holographic Camera For Industrial Non Destructive Testing: Data Acquisition And Image Analysis

C. Liegeois; P. Meyrueis; J. Fontaine

doi:10.1117/12.939107

15 January 1988 A Thermoplastic Holographic Camera For Industrial Non Destructive Testing: Data Acquisition And Image Analysis

C. Liegeois, P. Meyrueis, J. Fontaine

Author Affiliations +

Proceedings Volume 0673, Holography Applications; (1988) https://doi.org/10.1117/12.939107
Event: Holography Applications, 1986, Beijing, China

Abstract

We present a 3-D holographic inspection device for laboratory and industrial use. The photosensitive recording medium is a thermoplastic film with an effective aperture size of 70 x 50 mm. The physics of holographic recording on a thermoplastic film is well-known. This medium has numerous advantages over traditionnaly used holographic recording media : it is efficient, cheap and allows for dry, in-situ processing. However many technical problems had to be solved in order to develop an easy-to-use thermoplastic holographic camera. We will describe this camera and give some examples of its use for non destructive testing in laboratory and industrial environment. We will also point out the future possible developments of this device and the specific improvements we are expecting, in particular in the processing of the interference fringe pattern.

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C. Liegeois, P. Meyrueis, and J. Fontaine "A Thermoplastic Holographic Camera For Industrial Non Destructive Testing: Data Acquisition And Image Analysis", Proc. SPIE 0673, Holography Applications, (15 January 1988); https://doi.org/10.1117/12.939107

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