Laser apparatus having protection member at light-emission...

Optical waveguides – With disengagable mechanical connector – Optical fiber to a nonfiber optical device connector

Reexamination Certificate

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C385S053000, C385S088000, C385S092000

Reexamination Certificate

active

07101094

ABSTRACT:
In a laser apparatus, a plurality of semiconductor laser elements respectively emit laser beams; a multimode optical fiber has a light-entrance end and a light-emission end; an optical condensing system collects the laser beams emitted from the plurality of semiconductor laser elements, and couples the collected laser beams to the light-entrance end of the multimode optical fiber; and a protection member is arranged at the light-emission end of the multimode optical fiber, protects the light-emission end from the atmosphere, and has a light-emission window located at at least a predetermined distance from the light-emission end.

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patent: 5187759 (1993-02-01), DiGiovanni et al.
patent: 5392305 (1995-02-01), Jakobson
patent: 6362919 (2002-03-01), Flanders
patent: 6404786 (2002-06-01), Kondo et al.
patent: 6718088 (2004-04-01), Okazaki et al.
patent: 2002/0090172 (2002-07-01), Okazaki et al.
patent: 11-54852 (1999-02-01), None
patent: 11-87814 (1999-03-01), None

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