Coherent light generators – Particular temperature control
Patent
1991-12-20
1993-10-12
Healy, Brian
Coherent light generators
Particular temperature control
372 35, 372 36, 372 43, 372 50, H01S 304
Patent
active
052532607
ABSTRACT:
In a solid state laser assembly (12), arrays (60) of pumping laser diode bars (62), placed on opposed sides of a laser rod (36), are maintained at an optimal operating temperature by a pair of heat pipes (16) physically and thermally coupled at their respective evaporator sections (18) to both the diode bars and the laser rod. The laser assembly includes a pump cavity (34) configured as an I-beam having two pairs of terminal interfaces (58) respectively bounding a pair of elongated U-shaped channels (48). Heat from laser rod (36) is conducted through pump cavity (34) to the heat pipe evaporator sections (18). A mounting block (64) physically and thermally supports each of the diode array assemblies for spreading heat therefrom also to the evaporator sections.
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"Variable Conductance Heat Pipe Technology for Precise Temperature Control of the NASA/DDLT Transmitter" by D. E. Vanevenhoven and D. Antoniak, presented in SPIE vol. 1044 Optomechanical Design of Laser Transmitters and Receivers (1989), pp. 135-144.
Denson-Low Wanda K.
Healy Brian
Hughes Aircraft Company
Sales Michael W.
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