Optical device with phase-locked diodelaser array

Details Optical device with phase-locked diodelaser array Optical device with phase-locked diodelaser array

1988-03-02

1989-04-18

Corbin, John K.

Optics: measuring and testing

Range or remote distance finding

With photodetection

350402, 356365, 369121, 369122, G02F 101

Patent

active

048221511

ABSTRACT:
A polarization-rotator (22) and a polarization-sensitive beam combiner (30') are arranged in the radiation path between a phase-locked diode laser array (10) radiating in a stable supermode and a collimator lens (46). The two radiation lobes (11, 12) are superposed so that a single radiation spot (S) can be obtained. The quality of the spot can be improved by an arrangement of a prism system (40) and a spatial filter (45) in the lateral far field.

REFERENCES:
patent: 3969573 (1976-07-01), Bouwhuis et al.
patent: 3969576 (1976-07-01), Boonstra et al.
patent: 4160269 (1979-07-01), Kramer et al.
patent: 4517667 (1985-05-01), Sprague
patent: 4607359 (1986-08-01), Matsubayashi et al.
patent: 4722089 (1988-01-01), Botez et al.
patent: 4723253 (1988-02-01), Hayakawa et al.
patent: 4742526 (1988-05-01), Matsui et al.

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