Optical attenuator

Details Optical attenuator Optical attenuator

2005-03-29

2005-03-29

Glick, Edward J. (Department: 2882)

Optical waveguides

Accessories

Attenuator

C385S060000, C385S072000, C385S078000

Reexamination Certificate

active

06873784

ABSTRACT:
An optical attenuator (100) has an optical attenuation fiber (1) doped with cobalt. Two ferrules (2A), (2B) retain the optical attenuation fiber therein. Two butting ends of the ferrules are enclosed in a flange (6), which is received in a front end of an interconnection housing (7). An alignment sleeve (4) retains a rear end of the rear ferrule and is enclosed in a rear end of the interconnection housing. A latch (8) engages with the rear end of the interconnection housing. A plug housing (9) engages with the front end of the interconnection housing. A cover (10) then attaches over all the aforesaid components. A front end of the front ferrule is exposed outside the cover, for connecting with a complementary optical connector.

REFERENCES:
patent: 6341191 (2002-01-01), Takahashi
patent: 6450695 (2002-09-01), Matsumoto
patent: 6522485 (2003-02-01), Jokura
patent: 6738557 (2004-05-01), Chang
patent: 20040033028 (2004-02-01), Cheng
patent: 03025403 (1991-02-01), None
patent: 06294911 (1994-10-01), None

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