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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 32, Iss. 18 — Jun. 20, 1993
  • pp: 3201–3209

Optical and mechanical properties of single-crystal sapphire optical fibers

Glenn N. Merberg and James A. Harrington  »View Author Affiliations


Applied Optics, Vol. 32, Issue 18, pp. 3201-3209 (1993)
http://dx.doi.org/10.1364/AO.32.003201


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Abstract

Single-crystal sapphire fibers are produced by the laser heated pedestal growth technique. The fibers have attenuation coefficients of less than 2 dB/m at the Er:YAG laser wavelength of 2.94 μm and are used to deliver over 600 mJ of Er:YAG laser energy. Mechanical testing of these fibers and the sapphire fibers produced by the edge-defined, film-fed growth technique results in a measured 0.4% strain to failure when testing is done under a 4-point load. Teflon-FEP (perfluorinated ethylene propylene) is applied to sapphire fibers as a cladding. The cladding is extremely effective in preventing leakage of energy from the fibers into absorbing environments that may surround the fiber.

© 1993 Optical Society of America

History
Original Manuscript: April 29, 1992
Published: June 20, 1993

Citation
Glenn N. Merberg and James A. Harrington, "Optical and mechanical properties of single-crystal sapphire optical fibers," Appl. Opt. 32, 3201-3209 (1993)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-32-18-3201

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