Single mode optical transmission fiber, and method of making the

Details Single mode optical transmission fiber, and method of making the Single mode optical transmission fiber, and method of making the

1995-06-30

1997-01-21

Lee, John D.

Optical waveguides

Optical fiber waveguide with cladding

65417, 385127, 385144, G02B 616

Patent

active

055966683

ABSTRACT:
We have discovered that hydrogen-related loss in silica-based single mode transmission optical fiber can be reduced or eliminated by use of a substrate tube that contains hydrogen getter sites. Exemplarily, substrate tubes according to the invention are doped with Ge or P.

REFERENCES:
patent: 4691990 (1987-09-01), Cohen et al.
patent: 4717236 (1988-01-01), Dewing
patent: 5240488 (1993-08-01), Chandross et al.
patent: 5274734 (1993-12-01), Jin et al.
"Hydrogen-induced Hydroxyl Profiles in Doped Silica Layers", by J. Kirchhof et al., OFC 1995 Technical Digest, Optical Fiber Communication, Feb. 26-Mar. 3, 1995, San Diego Convention Center, San Diego, California, paper WP9.
"Hydroxyl Formation in Quartz Glass Tubes and Layers Due to Oxy-Hydrogen Flames", by J. Kirchhof et al., Symposium J: Optical Waveguide Materials, Dec. 2-4, 1991, Proceedings published as vol. 244 of the Materials Research Society Symposium Proceedings Series, p. 362.

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