Low Speed Carbon Deposition Process for Hermetic Optical Fibers

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Description

For optical fibers used in adverse environments, a carbon coating is frequently deposited on the fiber surface to prevent water and hydrogen ingression that lead respectively to strength degradation through fatigue and hydrogen-induced attenuation. The deposition of a hermetic carbon coating onto an optical fiber during the draw process holds a particular challenge when thermally-cured specialty coatings are subsequently applied because of the slower drawing rate. In this paper, we report on our efforts to improve the low-speed carbon deposition process by altering the composition and concentration of hydrocarbon precursor gases. The resulting carbon layers have been analyzed for electrical ... continued below

Physical Description

8 p.

Creation Information

Abramczyk, Jaroslaw; Arthur, Sara E.; Tallant, David R.; Hikansson, Adam S.; Lindholm, Eric A. & Lo, Jie September 29, 1999.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

For optical fibers used in adverse environments, a carbon coating is frequently deposited on the fiber surface to prevent water and hydrogen ingression that lead respectively to strength degradation through fatigue and hydrogen-induced attenuation. The deposition of a hermetic carbon coating onto an optical fiber during the draw process holds a particular challenge when thermally-cured specialty coatings are subsequently applied because of the slower drawing rate. In this paper, we report on our efforts to improve the low-speed carbon deposition process by altering the composition and concentration of hydrocarbon precursor gases. The resulting carbon layers have been analyzed for electrical resistance, Raman spectra, coating thickness, and surface roughness, then compared to strength data and dynamic fatigue behavior.

Physical Description

8 p.

Notes

OSTI as DE00014067

Medium: P; Size: 8 pages

Source

  • International Wire and Cable Symposium (IWCS), Atlantic City, NJ (US), 11/15/1999--11/18/1999

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  • Report No.: SAND99-2550C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 14067
  • Archival Resource Key: ark:/67531/metadc621322

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • September 29, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 11, 2017, 6 p.m.

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Abramczyk, Jaroslaw; Arthur, Sara E.; Tallant, David R.; Hikansson, Adam S.; Lindholm, Eric A. & Lo, Jie. Low Speed Carbon Deposition Process for Hermetic Optical Fibers, article, September 29, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc621322/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.