Non-invasive optical coupler

Details Non-invasive optical coupler Non-invasive optical coupler

1988-11-30

1990-02-06

Lee, John D.

350 9616, 350 9618, G02B 626

Patent

active

048984442

ABSTRACT:
A non-invasive optical fiber coupler for coupling light into an optical fiber bus through the cladding surrounding the optical fiber bus without bending the optical fiber bus. The coupler comprises a tap optical fiber free end adjacent to and facing a region of straight optical fiber bus with the tap fiber free end and optical fiber bus region encapsulated with a junction media having substantially the same index of refraction as the cladding of the optical fiber bus. Since the bus cladding is not removed nor is the optical fiber bus bent, there is no additional light lost due to the coupler from the optical fiber bus.

REFERENCES:
patent: 4021097 (1977-05-01), McMahon
patent: 4087156 (1978-05-01), Kao et al.
patent: 4264126 (1981-04-01), Sheem
patent: 4355863 (1982-10-01), Aulich et al.
patent: 4387974 (1983-06-01), Marshall et al.
patent: 4682843 (1987-07-01), Mahlein et al.
patent: 4768854 (1988-09-01), Campbell et al.
patent: 4784452 (1988-11-01), Hodge et al.

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