Multimode waveguide holograms capable of using non-coherent ligh

Details Multimode waveguide holograms capable of using non-coherent ligh Multimode waveguide holograms capable of using non-coherent ligh

1992-02-26

1994-03-15

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling function

385 37, 359 34, G02B 610

Patent

active

052952088

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.

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