Laser module having controlled optical power density at...

Details Laser module having controlled optical power density at... Laser module having controlled optical power density at...

2006-07-20

2008-10-14

Mack, Ricky (Department: 2873)

Coherent light generators

Particular resonant cavity

Specified cavity component

C385S038000

Reexamination Certificate

active

07436875

ABSTRACT:
A laser module includes: one or more semiconductor laser elements which emit one or more laser beams; an optical fiber which has a light-entrance end face; and an optical condensing system which is constituted by one or more optical components and makes the one or more laser beams converge at the light-entrance end face of the optical fiber. In the laser module, at least one of one or more light-entrance surfaces and one or more light-output surfaces of the one or more optical components is exposed to air, and the one or more laser beams realize an optical power density of 15 W/mm2or lower, or 60 to 800 W/mm2at the at least one of the one or more light-entrance surfaces and the one or more light-output surfaces.

REFERENCES:
patent: 7154584 (2006-12-01), Okazaki
patent: 7245804 (2007-07-01), Teramura et al.
patent: 11-054852 (1999-02-01), None
patent: 2004-252425 (2004-09-01), None
patent: 2004-253783 (2004-09-01), None

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