Polarization sensitive devices and methods of manufacture thereo

Details Polarization sensitive devices and methods of manufacture thereo Polarization sensitive devices and methods of manufacture thereo

1995-09-07

1998-09-22

Sikes, William L.

Liquid crystal cells, elements and systems

Liquid crystal optical element

Passive liquid crystal polarizer

349183, 349191, 349193, 359 3, 359 15, 359488, 359495, 430 1, G02F 11333, G02B 532, G02B 530

Patent

active

058122338

ABSTRACT:
A film of photosensitive material is illuminated from first and second sides with coherent polarized light so as to form an interference pattern within the film. Regions of cyclicly varying refractive index are provided in the film in accordance with the intensity of the interference patten, thereby forming an polarization sensitive refractive index grating. The refractive index grating may be used as a polarization and wavelength dependent mirror, patterned polarizer, beamsplitter or filter.

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