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Proceedings Paper

IR glass optical fibers for CO2 laser welding
Author(s): Lydia Le Neindre; Karine Le Foulgoc; Xhang Hua Zhang; Jacques Lucas; F. Gilbert; O. Lescoat; F. Ardouin; P. Morillon
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Paper Abstract

The TeX glass fibers, with high flexibility and relatively low losses, have been developed for many applications especially carbon-dioxide laser power transmission and radiometry. The use of TeX glass fibers to transmit thermal radiation of an object to a remote detector allows temperature measurements, without contact, in inaccessible and hostile environments. The TeX glass fiber sensor can detect temperatures in a wide range [minus 20, 200 degrees Celsius] with a resolution estimated better than 0.2 degrees Celsius at high temperature (200 degrees Celsius) and close to 1 degree Celsius at room temperature. The transmission of carbon-dioxide laser beam through a TeX glass fiber has been performed. More than 2.6 W have been obtained through a 1 meter long fiber by injecting the maximum input power of 6 W at the wavelength of 9.3 micrometer. TeX glass fibers are very promising for biomedical applications such as welding which require an energy transfer through the fiber and a temperature monitoring by another fiber.

Paper Details

Date Published: 18 April 1997
PDF: 12 pages
Proc. SPIE 2977, Specialty Fiber Optics for Biomedical and Industrial Applications, (18 April 1997); doi: 10.1117/12.271016
Show Author Affiliations
Lydia Le Neindre, Univ. de Rennes I (France)
Karine Le Foulgoc, Univ. de Rennes I (France)
Xhang Hua Zhang, Univ. de Rennes I (France)
Jacques Lucas, Univ. de Rennes I (France)
F. Gilbert, Societe Anonyme de Telecommunications (France)
O. Lescoat, Societe Anonyme de Telecommunications (France)
F. Ardouin, Societe Anonyme de Telecommunications (France)
P. Morillon, Societe Anonyme de Telecommunications (France)

Published in SPIE Proceedings Vol. 2977:
Specialty Fiber Optics for Biomedical and Industrial Applications
Abraham Katzir; James A. Harrington, Editor(s)

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