Semiconductor laser device with an assembly block

Details Semiconductor laser device with an assembly block Semiconductor laser device with an assembly block

1980-06-30

1982-09-21

Davie, James W.

Coherent light generators

Particular temperature control

Heat sink

357 19, 357 74, 357 81, H01S 319

Patent

active

043510515

ABSTRACT:
A semiconductor laser device includes a support having a substantially annular assembly block of a metal having a good thermal conductivity, which assembly block includes positioning means on its outer circumference for accurately locating the optical axis of said laser element and a sector-shaped supporting part which extends towards the center line of the block and which has a connection and mounting face for a laser element extending through the center line and accurately located with respect to the positioning means. A base includes mutually-insulated electrical conductors and a photodiode which is secured on the side of the assembly block remote from the supporting part, and a cap having a light-transmitting window is secured to the assembly block so as to form a hermetic envelope.

REFERENCES:
patent: 3857993 (1974-12-01), Gregory
patent: 4240090 (1980-12-01), Hughes et al.
patent: 4270134 (1981-05-01), Takeda et al.

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