Increased Bragg angle sensitivity hologram system and method

Details Increased Bragg angle sensitivity hologram system and method Increased Bragg angle sensitivity hologram system and method

1992-08-18

1994-07-19

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 1, 359 24, 365125, 369103, G02B 532, G03H 128, G11B 712

Patent

active

053314450

ABSTRACT:
A hologram system comprises two volume holograms on two separate substrates which are cemented together with an optical cement. The two volume holograms are manufactured with identical Bragg planes. The two volume holograms are oriented with respect to one another such that the Bragg planes are optically aligned. The result is that the two volume holograms operate as a single thicker volume hologram wherein the Bragg angle sensitivity is greatly increased.

REFERENCES:
patent: 4497534 (1985-02-01), Sincerbox et al.
patent: 4993789 (1991-02-01), Biles et al.
patent: 5013107 (1991-05-01), Biles
patent: 5085496 (1992-02-01), Yoshida et al.

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