Method of manufacturing an infrared optical fiber

Details Method of manufacturing an infrared optical fiber Method of manufacturing an infrared optical fiber

1994-03-30

1996-11-19

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Nonresinous material only

2641761, 264319, B29D 1100

Patent

active

055759602

ABSTRACT:
A method of manufacturing an unclad infrared optical fiber hot extrudes silver halide crystals through a die while simultaneously applying a pressure of 5 to 15 tons/cm.sup.2 to the crystals and a tensile load to the forming fiber, the tensile load being greater than the yield stress but smaller than the rupture stress of the infrared optical fiber. The method provides an infrared fiber having minimal variation in linearity.

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patent: 4955689 (1990-09-01), Fuller et al.
Takahashi et al., "Silver Halide Infrared Fiber", Sumitomo Electric Technical Reports, pp. 371-377, No. 26, 102-109, Jan. 1987.
Alimpiev et al., "Polycrystalline IR Fibers for Laser Scalpels", SPIE 906: 183, Optic Fibers in Medicine III (1988).
European Search Report concerning European Patent Application No. 93113997.6 dated Dec. 3, 1993.
N. Barkay et al., "Mechanical Properties of Mixed Silver-Halide Crystals and Polycrystalline Optical Fibers", Journal of Applied Physics, Nov. 15, 1988, pp. 5256-5258.
A. Sa'ar et al., Optical and Mechanical Properties of Silver Halide Fibers, Proceedings of SPIE-The International Society for Optical Engineering, vol. 843, Aug. 20-21, 1987.
Patent Abstracts of Japan, 61-128207, "Production of Polycrystalline Optical Fiber for Infrared Light" Published Oct. 31, 1986.

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