LASER APPARATUS
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United States of America Patent
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app pub date -
Aug 8, 2014
filing date -
Mar 27, 2012
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Abandoned
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Abstract
A laser apparatus may include a master oscillator configured to output a laser beam, at least one amplifier provided in a beam path of the laser beam, at least one saturable absorber gas cell provided downstream from the at least one amplifier and configured to contain a saturable absorber gas for absorbing a part of the laser beam, the part of the laser beam having a beam intensity equal to or lower than a predetermined beam intensity, a fan provided in the saturable absorber gas cell and configured to cause the saturable absorber gas to circulate, and a heat exchanger provided in the saturable absorber gas cell and configured to cool the saturable absorber gas.
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