Optical waveguides – With optical coupler – Particular coupling structure
Patent
1990-09-06
1992-07-07
Lee, John D.
Optical waveguides
With optical coupler
Particular coupling structure
385 27, G02B 626
Patent
active
051290200
ABSTRACT:
An optical fiber coupler constructed of single-mode optical fibers having claddings of differing refractive indices. The fibers are fused together and the fused portion is elongated in order to achieve the desired coupling and branching characteristics.
REFERENCES:
patent: 4490163 (1984-12-01), Jochem et al.
patent: 4798436 (1989-01-01), Mortimore
patent: 4976512 (1990-12-01), Safaai-Jazi
patent: 5011251 (1991-04-01), Miller et al.
Fukuma Masumi
Shigematsu Masayuki
Lee John D.
Sumitomo Electric Industries Ltd.
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