Computer-Generated Polarization Holography

Masato Nakajima; Yoshinobu Mitsuhashi

doi:10.1117/12.937134

26 October 1983 Computer-Generated Polarization Holography

Masato Nakajima, Yoshinobu Mitsuhashi

Proceedings Volume 0437, Intl Conf on Computer-Generated Holography; (1983) https://doi.org/10.1117/12.937134
Event: 27th Annual Technical Symposium, 1983, San Diego, United States

Abstract

The concept of a computer-generated polarization hologram (CPH) is based on the anisotropic interaction of light with photodichroic crystals. The most unique feature of this technique lies in the realization of phase information recording without the application of the detour phase or the optical path difference effect as used in the conventional technique. Basic principle of information writing and reading scheme using M-centers in alkali halide crystals such as sodium flouride ( NaF ) are descrived, and several technical merits and problems associated with this method are presented. This technique provides a real-time holographic system where accurate recordability and high storage capacity are attainable due to its possibility of recording a calcurated complex amplitude of wavefront only by means of controlling the polarization direction of illuminating beam. We also report on our trially developed automatic hologram making and reading system with the results of its operation experiment, and on discussions concerning the quality of the reconstructed image. We succeeded in completing a full automatic system which is able to make holograms automatically in a short time and in observing a reconstructed image of good quality in real-time.

Citation Download Citation

Masato Nakajima and Yoshinobu Mitsuhashi "Computer-Generated Polarization Holography", Proc. SPIE 0437, Intl Conf on Computer-Generated Holography, (26 October 1983); https://doi.org/10.1117/12.937134

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