Patent
1979-08-13
1985-02-12
Arnold, Bruce Y.
350 367, 350 385, G03H 120
Patent
active
044987293
ABSTRACT:
A method of producing achromatic holographic images of an object, and a diffraction grating useful for making an achromatic hologram. The method comprises the steps of making a monochromatic hologram on a first photographic plate, making a diffraction grating by exposing a second photographic plate to a series of colinear point sources of mutually coherent monochromatic light, developing and bleaching the exposed plate to produce the diffraction grating, making a second hologram by exposing a third photographic plate to an image from a narrow elongated strip of the first hologram with the diffraction grating in the optical path, and making an achromatic hologram by holographically recording the image produced by illuminating the second hologram with monochromatic light on a fourth photographic plate.
REFERENCES:
patent: 3633989 (1972-01-01), Benton
patent: 3698787 (1972-10-01), Mueller et al.
Benton, S. A., "White-Light Transmission/Reflection Holographic Imaging", Proceedings of Int. Conference on Applications of Holography and Optical Data Processing, held Aug. 23-26-1976, reprint of Perganon Press, pp. 401-408.
"Holographic Image of Aphrodite Intriques Polaroid Shareholders", article appearing in Pola;roid Newsletter, May 16, 1977.
Record of exhibition at Polaroid Annual Shareholders Meeting on Apr. 26, 1977.
Holosphere, Jun. 1979 issue, p. 5.
Arnold Bruce Y.
Polaroid Corporation
Roman Edward S.
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