Optical waveguides – With optical coupler – Particular coupling structure
Patent
1996-03-28
1998-02-10
Palmer, Phan T. H.
Optical waveguides
With optical coupler
Particular coupling structure
385 14, 385 31, 385 50, 385 60, G02B 630
Patent
active
057178003
ABSTRACT:
A waveguide-type optical device is constituted by an optical waveguide circular rod inside which an optical waveguide device is fixed and supported, an optical fiber circular rod inside which the end of an optical fiber is fixed and supported and a circular sleeve from both ends of which these optical waveguide circular rod and optical fiber circular rod are fitted. An optical waveguide and an optical fiber can be readily aligned by forming the circular rod in a circle so that one optical waveguide in an optical waveguide device is located in the center and the circular rod in a circle so that one optical fiber is located in the center. Another optical waveguide and another optical fiber can be readily aligned by setting a position in the peripheral direction and fitting both the circular rods and to the circular sleeve. An optical fiber and an optical waveguide device can be readily connected.
REFERENCES:
patent: 4772086 (1988-09-01), Bellerby et al.
Patent Abstract of Japan, vol. 13, No. 547, JP-1227109 Nov. 9, 1989.
Patent Abstract of Japan, vol. 15, No. 242, JP-3075708.
NEC Corporation
Palmer Phan T. H.
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