Apparatus and method for steering a phase conjugate wave

Details Apparatus and method for steering a phase conjugate wave Apparatus and method for steering a phase conjugate wave

1991-04-19

1992-03-03

Epps, Georgia

Coherent light generators

Particular beam control device

Optical output stabilization

372 21, 372 22, 372 23, 372 25, 372 29, 372 70, 372 71, H01S 313

Patent

active

050938347

ABSTRACT:
Four-wave mixing is used to produce a steered optical phase conjugate wave. First and second pump waves are combined with a probe wave in a nonlinear medium within an optical conjugate, producing an optical phase conjugate wave. The magnitude of the wave vectors corresponding to the first and second pump waves are different, causing the optical phase conjugate wave to define a non-zero angle .theta..sub.0 relative to the probe wave. In a first embodiment, the wavelengths of the first and second pump waves are controlled to vary the angle, while in a second embodiment, the intensities of the two pump waves are modified.

REFERENCES:
patent: 4493086 (1985-01-01), Jain et al.
patent: 4879722 (1989-11-01), Dixon et al.
patent: 4879723 (1989-11-01), Dixon et al.
patent: 4897562 (1990-01-01), Krasinski et al.

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