Method and apparatus for reducing the effect of random polarizat

Details Method and apparatus for reducing the effect of random polarizat Method and apparatus for reducing the effect of random polarizat

1989-06-30

1990-08-14

Sikes, William L.

Coherent light generators

Particular beam control device

Modulation

372 31, 372 38, H01S 310

Patent

active

049493450

ABSTRACT:
The effects of random polarization of a laser beam is reduced by separating the polarized laser beam into first and second polarized components that are orthogonal to each other, and measuring the energy in each of the first and second components. The total energy in both of the first and second components are compared with a predetermined energy level. The energy output of the laser beam is controlled in response to the measured comparison.

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