Optical module and method of making the same

Details Optical module and method of making the same Optical module and method of making the same

H - Electricity

04

B

H04B 10/145 (2006.01) G02B 6/42 (2006.01) H04B 10/08 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2374841

An optical module has a hermetically sealed package, a semiconductor laser element located within the package for outputting a laser beam, an optical fiber for receiving and externally delivering the laser beam outputted from the front end face of the semiconductor laser element, a prism for receiving a monitoring laser beam outputted from the back end face of the semiconductor laser element and for dividing the received laser beam into two laser beam components which are inclined relative to the optical axis with predetermined angles less than 90 degrees, a first photodiode for receiving one of the laser beam components divided by the prism, a second photodiode for receiving the other laser beam component from the prism, an optical filter disposed between the first photodiode and the prism and adapted to permit only a laser beam having a predetermined wavelength range to pass therethrough, and a PD carrier in which the first and second photodiodes are mounted on the same mount surface.

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