1988-01-25
1989-12-19
Sikes, William L.
G02B 626
Patent
active
048878790
ABSTRACT:
A passive fiber optic tap for a single mode optical fiber is disclosed which utilizes cladding modes induced within the fiber by a microbender. The fiber has a symmetrically circular hour glass shaped notch for tapping radiation from the cladding mode and a detector converts light into an electrical signal. Large tapping ratios, low excess loss and structural compatibility with integrated circuity is obtained.
REFERENCES:
patent: 4557550 (1985-12-01), Beals et al.
patent: 4557552 (1985-12-01), Newton et al.
patent: 4586783 (1986-05-01), Campbell et al.
patent: 4741585 (1988-05-01), Uken
patent: 4781428 (1988-11-01), Epworth et al.
Elby Stuart DS.
Harstead Edward E.
Prucnal Paul R.
Heartney Phan T.
Sikes William L.
The Trustees of Columbia University in the City of New York
White John P.
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