Method and apparatus for reducing the effect of random polarization on the power/energy output of lasers
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United States of America Patent
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Aug 14, 1990
Grant Date -
N/A
app pub date -
Jun 30, 1989
filing date -
Jun 30, 1989
priority date (Note) -
Expired
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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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