Optical light valve system for providing phase conjugated beam o

Details Optical light valve system for providing phase conjugated beam o Optical light valve system for providing phase conjugated beam o

1988-06-10

1990-01-16

Miller, Stanley D.

350331R, 350342, 350354, G02F 1133, G02F 1135, G02F 101

Patent

active

048939056

ABSTRACT:
An optical light valve system 10 for providing an amplified phase conjugated replica S.sub.1 * of a potentially low intensity phase aberrated optical signal beam S.sub.1 is disclosed herein. The optical light valve system 10 of the present invention includes a reference beam source 17 for providing a coherent reference beam R having first and second components of first and second polarization states, respectively. Further included is a signal beam source 15 for providing a coherent signal beam S of the first polarization state. An improved optical light valve 20 phase conjugates the second component of the reference beam in response to the aberrated beam S.sub.1 *.

REFERENCES:
patent: 4762397 (1988-08-01), Pepper
patent: 4773719 (1988-09-01), Anderson et al.
patent: 4778261 (1988-10-01), Boyd et al.
patent: 4807970 (1989-02-01), Dube et al.
patent: 4807976 (1989-02-01), Little et al.
E. Marom et al., "Phase Conjugation of Low--Power Optical Beams Using Liquid--Crystal Light Valves," Optics Letters, vol. 12, No. 7, Jul. 1987, pp. 504-506.

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