Optical waveguide tube

Details Optical waveguide tube Optical waveguide tube

1996-05-17

1998-04-07

Healy, Brian

Optical waveguides

Optical fiber waveguide with cladding

385 76, 385 77, 385 78, 385 84, 385 80, G02B 602

Patent

active

057374716

ABSTRACT:
In an optical waveguide tube comprising a tubular cladding filled with a solid core having a higher refractive index than the cladding, a light transmissive window member is disposed in close contact with at least the end face of the core on a light incident side for protecting the core end face from thermal influence and contamination. Means disposed around the cladding and the window member for securing the window member to the cladding may be a tape wrapped around them or a heat shrinkable sleeve or a ferrule. Alternatively, a ferrule surrounding the outer periphery of the cladding at each end is fastened for securing the cladding to the core at each end for preventing the core from projecting out of the cladding. The ferrule may have a collar disposed in abutment with the core end face.

REFERENCES:
patent: 3858577 (1975-01-01), Bass et al.
patent: 4261640 (1981-04-01), Stankos et al.
patent: 4383732 (1983-05-01), Dalgoutte et al.
patent: 4398796 (1983-08-01), Dalgoutte et al.
patent: 4639078 (1987-01-01), Sheem
patent: 4768849 (1988-09-01), Hicks, Jr.
patent: 5113476 (1992-05-01), Okada et al.
Patent Abstracts of Japan, vol. 9, No. 263 (P-371) Jul. 9, 1985 (JP-60-39607).

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