Insulated water cooled gain medium assembly for a laser system
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United States of America Patent
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Dec 8, 1998
Grant Date -
N/A
app pub date -
Jul 31, 1997
filing date -
Jul 31, 1997
priority date (Note) -
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Abstract
A gain medium assembly for a laser system that has or attaches to a cooling fluid source. The gain medium assembly includes a laser system gain medium, an insulating jacket disposed around the gain medium, a cooling jacket disposed around the insulating jacket, and an energy source for optically exciting and heating the gain medium. The cooling jacket defines a cooling channel between itself and the insulating jacket for guiding flowing cooling fluid from the cooling fluid source over the insulating jacket. During operation, the heat in the gain medium dissipates through the insulating jacket and to the cooling fluid in the cooling channel, while the gain medium is maintained at a temperature that is significantly higher than the temperature of the cooling fluid. A gap may be formed between the gain medium and the insulating jacket to allow some of the cooling water to fill the gap and form a thin layer of water, and to provide uniform heat conduction, between the gain medium and the insulating jacket.
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