High-power diode laser and method for mounting the same

Details High-power diode laser and method for mounting the same High-power diode laser and method for mounting the same

1997-10-23

1999-07-06

Bovernick, Rodney

Coherent light generators

Particular temperature control

Heat sink

438 33, H01S 304, H01L 2120

Patent

active

059205849

ABSTRACT:
A high-power diode laser and a method for mounting same are described. Predetermined breaking locations in the laser bar are provided which, during cooling after the laser bar has been soldered to a heat sink having a smaller thermal expansion coefficient, lead to breakage at defined locations between the single laser diodes of the laser bar. As a result of the physical division of the laser bar, it is possible to use a solder which has low ductility (hard solder) at room temperature, since destruction of the single laser diodes of the laser bar as a result of mechanical stresses can be ruled out.

REFERENCES:
patent: 3946334 (1976-03-01), Yonezu et al.
patent: 4161701 (1979-07-01), Takeda et al.
patent: 4672736 (1987-06-01), Westermeier
patent: 4887736 (1989-12-01), Romano
patent: 4904617 (1990-02-01), Muschke

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