Laser device formed by a stack of laser diodes

Details Laser device formed by a stack of laser diodes Laser device formed by a stack of laser diodes

2006-05-10

2010-12-07

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular temperature control

Heat sink

C372S034000, C372S045010, C372S046010, C372S050120, C372S050122, C372S068000

Reexamination Certificate

active

07848371

ABSTRACT:
The laser device (22) is formed by a stack of laser diodes (4) arranged on plates (6) formed of a material that is electrically conductive and a good heat conductor. In order to obtain a high level of heat evacuation efficiency towards the cooling body (10) and to prevent electric short-circuiting problems, each plate has at the bottom end (24) thereof, an electrically insulating layer deposited on the surface thereof prior to being fixed to the cooling body by a securing material (26) that is preferably a good heat conductor, formed in particular by a braze layer. According to the invention, the insulating layer covers the end face of each plate and also goes up along the lateral faces of the latter over a certain height. The securing material is arranged under the end of the plate and also partially covers the insulating layer along the lateral faces of the plate.

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Endriz, Jon G., et al., “High Power Diode Laser Arrays,” IEEE Journal of Quantum Electronics, Apr. 28, 1992, No. 4, pp. 952-964.
International Search Report issued in corresponding application No. PCT/EP2006/004389, completed Jan. 31, 2007 and mailed Feb. 15, 2007.

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