Comb-shaped polarizing device

Details Comb-shaped polarizing device Comb-shaped polarizing device

1986-03-20

1988-02-16

Davie, James W.

Coherent light generators

Particular resonant cavity

Specified cavity component

372 35, 372 27, 372103, H01S 310, H01S 308, H01S 304

Patent

active

047260327

ABSTRACT:
A comb-shaped polarizing device for use in a laser is compact, inexpensive and easily adjusted. The device includes an annular member having a number of comb-shaped teeth projecting opposite similarly shaped teeth from a rectangular aperture. The comb-shaped teeth are arranged in a plane transversing a laser beam which is under oscillation. Cooling water passages are formed in the annular member. In one embodiment the annular member is provided at its periphery with gear teeth which mate with a motor for selection of the direction of polarization of the laser beam.

REFERENCES:
patent: 3617938 (1971-11-01), Denes et al.
patent: 3875529 (1975-04-01), Hintz
patent: 4547651 (1985-10-01), Maruyama

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