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Applied Optics

Applied Optics


  • Vol. 27, Iss. 23 — Dec. 1, 1988
  • pp: 4822–4825

Accurate determination of the thermal variation of the aperture of step-index optical fibers

J. Dugas, M. Sotom, E. Douhe, L. Martin, and P. Destruel  »View Author Affiliations

Applied Optics, Vol. 27, Issue 23, pp. 4822-4825 (1988)

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Thermal variations of the aperture of step-index optical fibers have been studied by measuring the transmitted power when a laser beam is launched with a variable incidence. For not too-long fibers only the rays launched with the higher incidence are affected. The variations of their transmittance have been accurately related to the refractive-index ones. Silicone clad silica fibers are sensitive to temperature because the silicone index varies much more the the silica index. On the contrary, due to a compensation phenomenon between index variations of core and cladding materials, PMMA core fibers have apertures that are nearly insensitive to temperature.

© 1988 Optical Society of America

Original Manuscript: January 22, 1988
Published: December 1, 1988

J. Dugas, M. Sotom, E. Douhe, L. Martin, and P. Destruel, "Accurate determination of the thermal variation of the aperture of step-index optical fibers," Appl. Opt. 27, 4822-4825 (1988)

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  1. W. F. Yeung, A. R. Johnston, “Effect of Temperature on Optical Fiber Transmission,” Appl. Opt. 17, 3703 (1978). [CrossRef] [PubMed]
  2. J. Dugas, M. Sotom, L. Martin, J. C. Cariou, “Accurate Characterization of the Transmittivity of Large-Diameter Multimode Optical Fibers,” Appl. Opt. 26, 4198 (1987). [CrossRef] [PubMed]
  3. J. Dugas, P. Michel, L. Martin, J. C. Cariou, “Behavior of the Refractive Index and of the Coefficient of Thermal Expansion of Silicone with Temperature,” Appl. Opt. 25, 3807 (1986). [CrossRef] [PubMed]
  4. P. Michel, J. Dugas, L. Martin, J. C. Cariou, “Thermal Variations of the Refractive Index of PMMA, PS,” J. Macromol. Sci. Phys. 25, 379 (1986). [CrossRef]
  5. C. Fabrello, M. Taoufiq, P. Destruel, E. Douhe, J. Dugas, “Variations Thermiques de ‘Indice de Réfraction de Copolymères Fluorés Utilisables comme Matériaux de Gaine dans les Fibres Optiques Polymères,” VIIe Journées Nationales d’Optique Guidée, Nice (3–4 Apr. 1986).
  6. H. M. Schleinitz, K. Square, P. G. Stephan, “Process for Low Attenuation Methacrylate Optical Fibers,” U.S. Patent4,161,500 (1979).

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