Line attenuation device for monomode fibres and associated...

Optical waveguides – Accessories – Attenuator

Reexamination Certificate

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C385S034000, C385S028000, C385S043000

Reexamination Certificate

active

09890810

ABSTRACT:
A line attenuation device for monomode fibers having at least one attenuating element with at least one graded-index multimode fiber section placed between two monomode fibers and coupled to at least one coreless silica fiber section.

REFERENCES:
patent: 5095519 (1992-03-01), Dorsey
patent: 5581649 (1996-12-01), Paquette et al.
patent: 5633974 (1997-05-01), Chia
patent: 5917985 (1999-06-01), Im
patent: 2002/0114606 (2002-08-01), De Bougrenet et al.
patent: 37 40 378 (1992-06-01), None
patent: 0 161 826 (1985-11-01), None
patent: 0 415 516 (1991-03-01), None
patent: 0 491 366 (1992-06-01), None
patent: 0 575 993 (1993-12-01), None
patent: 62119503 (1987-05-01), None
patent: WO 93/13437 (1993-07-01), None
Briley;An Introduction to Fiber Optics System Design; Chapt. 2.5; p. 42; 1990.

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