Design of compact optical setup for hologram multiplexing with a straight arrangement of two prisms

Tomoko Nakayama; Kayo Shimizu; Yumi Okazaki; Eriko Watanabe; Kashiko Kodate; Yoshihisa Takayama; Tadashi Aruga

doi:10.1117/12.525682

29 June 2004 Design of compact optical setup for hologram multiplexing with a straight arrangement of two prisms

Tomoko Nakayama, Kayo Shimizu, Yumi Okazaki, Eriko Watanabe, Kashiko Kodate, Yoshihisa Takayama, Tadashi Aruga

Proceedings Volume 5290, Practical Holography XVIII: Materials and Applications; (2004) https://doi.org/10.1117/12.525682
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

We propose a narrowly-shaped setup containing two prisms symmetrically placed along a straight line. This method features (1) an easy alignment, (2) the capability of hologram multiplexing using array light sources. In the proposed optical systemm, prisms' apex angles are limited for two waves interference because of the total reflection at prism's boundary. Therefore, we should take this obstacle into consideration to design the setup. As a simplified calculation model, we assume that the wavelength of the light source is 780 nm, the refractive index of the prism is 1.51, and the focal length of the collimating lens is 10 mm, the apex angle of the first prism is 120 degrees, and that of the second prism is 90 degrees. If the largest oblique incident angle of the first prism is 10 degrees, the distance from light sources to a recording media becomes 45mm. The validity of our optical setup is confirmed experimentally by writing some holograms.

Citation Download Citation

Tomoko Nakayama, Kayo Shimizu, Yumi Okazaki, Eriko Watanabe, Kashiko Kodate, Yoshihisa Takayama, and Tadashi Aruga "Design of compact optical setup for hologram multiplexing with a straight arrangement of two prisms", Proc. SPIE 5290, Practical Holography XVIII: Materials and Applications, (29 June 2004); https://doi.org/10.1117/12.525682

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