Variable-wavelength light source unit

Details Variable-wavelength light source unit Variable-wavelength light source unit

2005-02-01

2005-02-01

Patel, Vip (Department: 2879)

Optical waveguides

Accessories

Attenuator

C356S327000, C356S364000

Reexamination Certificate

active

06850688

ABSTRACT:
A variable-wavelength light source unit for sending output light of an arbitrary wavelength selected in a variable-wavelength light source section1has an optical variable attenuator2placed on the output side of the variable-wavelength light source section and a control circuit4for controlling the attenuation amount of the optical variable attenuator in response to light output provided by splitting a part of the output light.

REFERENCES:
patent: 5822063 (1998-10-01), Suzuki et al.
patent: 6069697 (2000-05-01), Tanimoto et al.
patent: 6144793 (2000-11-01), Matsumoto et al.

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