Hologram device and method for producing the same

Details Hologram device and method for producing the same Hologram device and method for producing the same

1997-12-19

2000-08-29

Schuberg, Darren E.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 28, G02B 532

Patent

active

06111670&

ABSTRACT:
A hologram of an increased size using a single color laser, capable of executing a full color regeneration in a desired view angle and a method for producing the hologram. A plurality of photo-sensitive members are independently exposed to obtain respective holograms, which are connected by using an adhesive layer 80 constructing a connecting means, in order to obtain an integrated hologram expanded in two-dimensional direction. The holograms are obtained by an interference of a reference light 22 and an object light passed through a light diffusing body 24 in order to cause the light diffusing body 24 to be recorded on the photo-sensitive member. The size of the light diffusing body 24 is such that the spectral characteristic of the diffused light from the hologram can attain a desired efficiency at least over the entire wavelength range of the visible light.

REFERENCES:
patent: 3909111 (1975-09-01), Meyerhofer
patent: 4039245 (1977-08-01), Yano
patent: 5610733 (1997-03-01), Feldman et al.
Patent Abstract of Japan, vol. 096, No. 012, Dec. 26, 1996 & JP 08 202248 A (Nippondenso Co. Ltd.), Aug. 9, 1996.

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