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Proceedings Paper

Wavelength and temperature dependence of bending loss in monomode optical fibers
Author(s): Russell Dudley Morgan; Julian D. C. Jones; Philip G. Harper; James S. Barton
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Paper Abstract

The temperature and wavelength dependence of bending loss in monomode optical fibers is reported. The bend-induced optical loss in a monomode optical fiber has been studied as a continuous function of wavelength in the range 1.2 - 1.6 micrometers , and as a function of temperature in the range 20 - 60 degree(s)C. The loss was observed to be an oscillatory function of wavelength for a fixed temperature, and to be a oscillatory function of temperature for a fixed wavelength. These observations were explained by using a model based on the interference between the core-guided mode and a 'whispering-gallery' mode ejected from the core and propagating in the cladding and buffer of the fiber. The wavelengths of the minima in the oscillatory function for fixed temperature and the temperature spacing for fixed wavelength were accurately predicted by the model for a whispering-gallery mode propagating in the buffer of the fiber.

Paper Details

Date Published: 1 September 1991
PDF: 7 pages
Proc. SPIE 1504, Fiber-Optic Metrology and Standards, (1 September 1991); doi: 10.1117/12.46977
Show Author Affiliations
Russell Dudley Morgan, Heriot-Watt Univ. (United Kingdom)
Julian D. C. Jones, Heriot-Watt Univ. (United Kingdom)
Philip G. Harper, Heriot-Watt Univ. (United Kingdom)
James S. Barton, Heriot-Watt Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 1504:
Fiber-Optic Metrology and Standards
Oliverio D.D. Soares, Editor(s)

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