Gas laser oscillation apparatus of orthogonal excitation type
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United States of America Patent
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Apr 25, 2017
Grant Date -
Aug 18, 2016
app pub date -
May 27, 2014
filing date -
Dec 17, 2013
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Abstract
A gas laser oscillation apparatus of orthogonal excitation type includes an electric discharge region having a pair of electric discharge electrodes, an axial flow blower having a plurality of rotor vanes and working by a permanent magnet motor, a first heat exchanger having a plurality of cooling fins, the cooling fins arranged on a plane perpendicular to an optical axis, a second heat exchanger having a plurality of cooling fins, the cooling fins arranged on a plane perpendicular to the optical axis, a gas duct having a gas passageway and arranged between the electric discharge region and the first heat exchanger, the axial flow blower being arranged on the gas passageway. The axial flow blower is arranged on a windward side of the first heat exchanger. The second heat exchanger is arranged on a windward side of the axial flow blower.
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