Laser diode module

Details Laser diode module Laser diode module

2006-12-12

2006-12-12

Doan, Jennifer (Department: 2874)

Optical waveguides

Accessories

Attenuator

C385S134000

Reexamination Certificate

active

07149404

ABSTRACT:
A laser diode that emits light of a predetermined wavelength, an optical fiber that propagates the light emitted from the laser diode, and a transmission liquid crystal variable optical attenuator that is arranged on an optical axis of the light between the laser diode and the optical fiber and attenuates light intensity of the light are arranged inside a housing. A coupling lens couples the light emitted from the laser diode to an incidence end of the optical fiber. An isolator prevents return light from the optical fiber side.

REFERENCES:
patent: 6563846 (2003-05-01), Kuo et al.
patent: 2005/0135773 (2005-06-01), McDonald
patent: 07-301734 (1995-11-01), None
patent: 11-052339 (1999-02-01), None
patent: 2001-013477 (2001-01-01), None

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