Conductive face-cooled laser crystal

Details Conductive face-cooled laser crystal Conductive face-cooled laser crystal

1992-04-24

1994-11-08

Davie, James W.

Coherent light generators

Particular temperature control

Heat sink

359326, 372 21, 372 34, 372 66, H01S 3045

Patent

active

053633911

ABSTRACT:
A technique for passively removing heat from an optical element in a laser system through its optically transmissive faces. Heat is removed by way of optically transmissive heat sinks or other heat conducting media disposed adjacent the optically transmissive surfaces of the optical element. Heat is transferred out of the optical element in a direction parallel to the direction of propagation of energy, thus minimizing problems associated with thermal gradients. Devices employing optical elements such as nonlinear frequency conversion crystals and laser crystals may utilize the heat management approach of the present invention to achieve better performance. Heat is transferred to the heat conducting media by direct contact, or through narrow gas-filled gaps disposed between the optical element and the heat conducting media.

REFERENCES:
patent: 4048515 (1977-09-01), Liu
patent: 4563763 (1986-01-01), Kuhn
patent: 4847851 (1989-07-01), Dixon
patent: 5128953 (1992-07-01), Macken
patent: 5181215 (1993-01-01), Sam et al.
patent: 5187714 (1993-02-01), Okazaki et al.
M. Reed,. et al, "Static Gas Conduction Cooled Slab Geometry Nd:Glass Laser", IEEE Journal of Quantum Electronics, vol. QE-21, No. 5 May 1985, pp. 412-414.

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