High-speed real-time holographic interferometry

Yoshitaka Yamamoto

doi:10.1117/12.350531

22 June 1999 High-speed real-time holographic interferometry

Yoshitaka Yamamoto

Proceedings Volume 3516, 23rd International Congress on High-Speed Photography and Photonics; (1999) https://doi.org/10.1117/12.350531
Event: Twenty-Third International Congress on High-Speed Photography and Photonics, 1998, Moscow, Russian Federation

Abstract

The principle of holography was invented by Dr. Gabor in 1948 before the invention of the laser. In 1962, after the invention of laser (in 1960: the first demonstration of laser oscillation by Maiman was achieved using a ruby cubic crystal), the off-axis reference beam holography was developed by Prof. Leith and Mr. Upatnieks. One of the most useful measuring techniques of the holography is a holographic interferometry. Holography enable to storage signal wave fronts and reconstruct it at later time, then the interference between the reconstructed signal wave fronts and the wave fronts come from the object to be able to generate an interference fringes. Real-time holographic interferometry can measure real-time phase-change of phenomena. Therefore, this method has the performance of continuously measuring phase change by coupling with high-speed cameras.

Citation Download Citation

Yoshitaka Yamamoto "High-speed real-time holographic interferometry", Proc. SPIE 3516, 23rd International Congress on High-Speed Photography and Photonics, (22 June 1999); https://doi.org/10.1117/12.350531

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