Composite optical fiber and imaging catheter and method for prod

Plastic and nonmetallic article shaping or treating: processes – Outside of mold sintering or vitrifying of shaped inorganic... – Including plural heating steps

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350 9625, 350 9628, 264 15, G02B 602, B29D 1100

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active

045939730

ABSTRACT:
A composite optical fiber for use with a sensor includes an imaging optical fiber which receives information-carrying light that is reflected from a target, and a transparent material that includes the imaging optical fiber in its interior and which transmits an illuminating light from a light source to the target. The light-receiving optical fiber is an integral part of the transparent material, and it has an increased cross-sectional area for transmitting the illuminating light with respect to its overall outside diameter. The optical fiber can be produced by the extrusion technique without arranging a multiplicity of light-transmitting fibers and encasing them within a heat-shrinkable tube.

REFERENCES:
patent: 3261349 (1966-07-01), Wallace
patent: 3472921 (1969-10-01), Fyfe
patent: 4000416 (1976-12-01), Goell
patent: 4173392 (1979-11-01), Ekinaka et al.
patent: 4302073 (1981-11-01), Bendayan et al.
Designing with Crofon Light Guides, E. I. du Pont de Nemours & Company, (Inc.), Wilmington, Delaware, 4-23-69, pp. 1-10.
S. Oikawa, "Plastic Optical Fibre with Improved Transmittance," Electronics Letters, vol. 15, No. 25 (Dec. 6, 1979) pp. 829-830.

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