Method and device for achieving optical spatial phase modulation

United States of America Patent

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May 28, 1991
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N/A
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Jul 6, 1989
filing date
Jul 8, 1988

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Expired

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Abstract

Optical spatial phase modulation is achieved by positioning a liquid crystal layer in the path of a light beam to be modulated and controlling the spatial distribution of refractive index of the liquid crystal layer by controlling the spatial distribution of the electrical field generated across the liquid crystal layer.

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Patent Owner(s)

Patent Owner	Address
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY MINISTRY OF INTERNATIONAL TRADE & INDSUTRY	3-1 KASUMIGASEKI 1 CHOME CHIYODA-KU TOKYO

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G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barnes, Thomas H	Tsukuba, JP	9	375
Matsuda, Kiyofumi	Tsukuba, JP	9	64
Ooyama, Naotake	Tsukuba, JP	3	52

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Method and device for achieving optical spatial phase modulation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07375950

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SERIAL NO	07375950
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07375950

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