Side illuminated multimode waveguide

Details Side illuminated multimode waveguide Side illuminated multimode waveguide

1994-01-10

1995-11-07

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling function

385 37, 359 34, G02B 634

Patent

active

054653118

ABSTRACT:
A multimode waveguide having a small thickness has light coupled to the side of the waveguide in order to provide a multimode operation of the waveguide for providing a continuous pattern of totally internally reflected light which is utilized to reconstruct holographic images from a holographic emulsion placed on a surface of the waveguide. This waveguide structure for reconstructuring a hologram has the capability of providing highly efficient hologram reconstruction while using ordinary light sources and is able to use beam diameters greater than the thickness of the waveguide.

REFERENCES:
patent: 3584230 (1971-06-01), Tien
patent: 3810688 (1974-05-01), Ballman et al.
patent: 3883221 (1975-05-01), Rigrod
patent: 4400616 (1983-08-01), Chevillat et al.
patent: 4807950 (1989-02-01), Glenn et al.
patent: 4997244 (1991-03-01), Nishio et al.
patent: 5268985 (1993-12-01), Ando et al.
patent: 5295208 (1994-03-01), Caulfield et al.

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