Application of TV-computer system in recording and calculating light information

Wensheng Wang

doi:10.1117/12.251851

23 September 1996 Application of TV-computer system in recording and calculating light information

Wensheng Wang

Proceedings Volume 2885, Holographic Optical Elements and Displays; (1996) https://doi.org/10.1117/12.251851
Event: Photonics China '96, 1996, Beijing, China

Abstract

In this paper, we have discussed how to use a TV-computer system in holographic interferometry. With Ar⁺ laser as a light source, BSO crystal as a recording material, TV- computer as a detector, holographic interference pattern is automatically scanned, recorded and judged. Not only contour map is reconstructed, 3D plot is also graphed. With BSO crystal, hologram can automatically in real-time be developed. As an example we have measured the deformation of a plate under a stress by real-time holographic interferometry of 4-interferograms method. With respect to common holographic setup, TV-computer system can automatically control shifting the phase of reference beam, exposing holograms, scanning, recording and judging interferograms.

Citation Download Citation

Wensheng Wang "Application of TV-computer system in recording and calculating light information", Proc. SPIE 2885, Holographic Optical Elements and Displays, (23 September 1996); https://doi.org/10.1117/12.251851

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