Optical switch including two integrated multiphase SLM's and...

Liquid crystal cells – elements and systems – Liquid crystal optical element – Beam dividing switch formed from liquid crystal cell

Reexamination Certificate

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C349S193000, C349S197000, C349S201000, C359S237000

Reexamination Certificate

active

06954252

ABSTRACT:
An optical switch uses a polarization insensitive spatial light modulator operating by a double pass through a liquid crystal cell. The switch includes two such modulators in a cross bar arrangement. Different embodiments employing techniques for reducing cross talk are described.

REFERENCES:
patent: 5155778 (1992-10-01), Magel et al.
patent: 5159473 (1992-10-01), Feldman
patent: 5373393 (1994-12-01), DeJule et al.
patent: 5627666 (1997-05-01), Sharp et al.
patent: 5930012 (1999-07-01), Mears et al.
patent: 6141069 (2000-10-01), Sharp et al.
patent: 6172777 (2001-01-01), Flood et al.
patent: 6373549 (2002-04-01), Tombling et al.
patent: 0878729 (1998-11-01), None
Love, Gordon D, Liquid-crystal Phase Modulator for Unpolarized Light, Applied Optics, vol. 32, pp. 2222-2223, May 1, 1993.

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