Semiconductor laser module

Details Semiconductor laser module Semiconductor laser module

H - Electricity

01

S

H01S 5/00 (2006.01) G02B 6/42 (2006.01) H01S 5/024 (2006.01)

Patent

CA 2324808

A semiconductor laser diode is mounted on a heat sink and fixed to a carrier by soldering. The carrier is fixed to a cooling substrate of a Peltier cooler for controlling temperature of the semiconductor laser diode in order to stabilize a power level and a lasing wavelength of an optical signal. The Peltier cooler is fixed to an internal bottom surface of a module package. A photodiode for monitoring outputted light power of the semiconductor laser diode and a lens for focusing a light emitted therefrom are mounted on the carrier. The optical fiber with an end portion which tapers off to a point is adjusted so as to be optically coupled with the lens with a high efficiency, and fixed to the carrier via an optical fiber holder. A clearance between the module package and the optical fiber is filled with solder with a low meting point.

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