Coherent light generators – Particular temperature control – Heat sink
Patent
1984-08-13
1986-05-27
Davie, James W.
Coherent light generators
Particular temperature control
Heat sink
357 81, 372 46, H01S 3045
Patent
active
045920591
ABSTRACT:
A laser diode which can be easily adjusted during assembly of the diode on a heat sink is mounted over a groove in the heat sink which is free of solder. The groove permits adjustment of a light-transmitting glass fiber relative to the radition-emitting zone of the laser diode. The groove and the laser diode in the form of a chip having a strip-shaped radiation emitting zone are aligned so as to be parallel. Because mechanical connection between the body of the heat sink and the chip exists only outside of the groove, mechanical stresses which would otherwise act upon the radiation-emitting zone are relieved.
REFERENCES:
patent: 4161701 (1979-07-01), Takeda et al.
patent: 4411057 (1983-10-01), Duda et al.
G. Hutchins, "Copper Mesa Heat Sink for Heterojunction Lasers", IBM Technical Disclosure Bulletin, vol. 17, No. 1, Jun. 1974, p. 282.
O. Nakada et al., "Continuous Operation Over 2500 h of Double Heterostructure Laser Diodes With Output Powers More Than 80 mW", Japan J. Appl. Phys., vol. 13, No. 9, 1974, pp. 1485-1486.
"Capillary Bonded Components For Injection Laser Transmitter Modules", Comerford et al., Electronics Letters, Jul. 1982, vol. 18, No. 14, pp. 629-631.
Davie James W.
Siemens Aktiengesellschaft
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