Quartz glass preform for optical waveguide

Details Quartz glass preform for optical waveguide Quartz glass preform for optical waveguide

1996-02-09

1998-08-04

Palmer, Phan T. H.

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

385122, G02B 602

Patent

active

057907366

ABSTRACT:
In an optical component having a cylindrical core of quartz glass and a coaxial jacket of quartz glass containing a dopant which decreases the index of refraction, the jacket glass contains a viscosity-increasing stiffening agent to reduce tensile strength on the core at drawing temperature of 1000.degree. to 2500.degree. C. or a relaxation agent for lowering the viscosity of the quartz glass in a concentration which is lower than that present in the core glass.

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patent: 4913518 (1990-04-01), Fine
patent: 4938562 (1990-07-01), Vacha et al.
Volf, "Chemical Approach to Glass", Elsevier 1984, p. 284 no month.
Ullmann's Encyclopedia of Industrial Chemistry, 5th Ed., vol. 23, pp. 606-607 1993 no month.
Tanaka et al., "Characteristics of Pure Silica Core Single-Mode Fiber", Fiber and Integrated Optics, vol. 7, pp. 47-56 (1988). no month.

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