Ideal distribution CHMSL hologram with double exposure technique

Details Ideal distribution CHMSL hologram with double exposure technique Ideal distribution CHMSL hologram with double exposure technique

1990-04-16

1992-04-21

Arnold, Bruce Y.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 15, 359 24, 359900, G02B 532, G03H 126, G03H 128

Patent

active

051061740

ABSTRACT:
A hologram that diffracts playback illumination over a wide angular range made pursuant to a technique that includes the steps of first exposing a volume hologram recording medium to record a first image which upon playback will diffract light over a first angular coverage, and then exposing the volume hologram recording medium to record a second image which upon playback will diffract light over a second angular coverage.

REFERENCES:
patent: 3515452 (1970-06-01), Pole
patent: 3536371 (1970-10-01), Post
patent: 3834785 (1974-09-01), Kimura
patent: 4421379 (1983-12-01), Gromet et al.
patent: 4687282 (1987-08-01), Ferrante
patent: 4711512 (1987-12-01), Upatnieks
patent: 4790613 (1988-12-01), Moss
patent: 4795223 (1989-01-01), Moss
patent: 4818048 (1989-04-01), Moss
patent: 4916593 (1990-04-01), Moss et al.
patent: 4966426 (1990-10-01), Moss et al.

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