Coherent light generators – Particular temperature control
Patent
1998-02-19
2000-04-18
Lee, John D.
Coherent light generators
Particular temperature control
372 35, 372 36, H01S 3042
Patent
active
060523964
ABSTRACT:
A solid state laser apparatus 10 including a laser gain module 12 for generating high energy laser beams 50 and 52 accompanied by non-lasing radiation 60 which, generates heat in the environment of the laser gain module and the apparatus, generally having an adverse affect on the performance of the apparatus. A heat shield 14 encloses the laser gain module to absorb the non-lasing radiation 60 to shield the components surrounding the shield against temperature increases above levels that adversely affect the laser performance and shields the reflective units 20 and 22. Affixed to the heat shield 14 is a cooling pipe 66 which provides coolant to the roof 64 of the heat shield 14 removing the heat that is absorbed. The pipe 66 is connected to a heat exchanger and pump 24 that circulates coolant through the piping. The heat shield 14 and the cooling apparatus 66 and 24 are designed to keep the temperature increases within 20.degree. C. of the nominal base operating temperature for a particular system.
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Szot John A.
Zamel James M.
Lee John D.
TRW Inc.
Yatsko Michael S.
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