Wavelength division multiplex branching unit and method of opera

Details Wavelength division multiplex branching unit and method of opera Wavelength division multiplex branching unit and method of opera

1998-05-11

2000-09-05

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Plural

385 37, 385 31, 385 46, 385 47, 385147, G02B 628

Patent

active

061155160

ABSTRACT:
A wavelength division multiplex branching unit for an optical fibre transmission network comprises a branching unit housing (100) and means (102) external to the housing for permitting the connection of one or more wavelength selective devices (A, B, C, D) to a trunk transmission fibre. The wavelength selective devices are each responsive to a different transmission wavelength and are effective to direct transmission signals have that response wavelength from the trunk fibre to a spur fibre of the branch cable.

REFERENCES:
patent: 5185814 (1993-02-01), Healey

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