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Fibers 2013, 1(3), 110-118; doi:10.3390/fib1030110

The Development of Advanced Optical Fibers for Long-Wave Infrared Transmission

1,* , 2
1 Department of Materials Science and Engineering, University of Arizona, Tucson, AZ 85712, USA 2 Laboratoire des Verres et Ceramiques, UMR-CNRS 6226, Universite de Rennes 1, 35042 Rennes, France 3 ICMCB/CNRS University of Bordeaux, 87 Avenue du Dr. Schweitzer, 33608 Pessac, France 4 LARMAUR ERL CNRS 6274, Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
* Author to whom correspondence should be addressed.
Received: 15 November 2013 / Revised: 10 December 2013 / Accepted: 11 December 2013 / Published: 17 December 2013
(This article belongs to the Special Issue Advances on Optical Fibers)
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Long-wave infrared fibers are used in an increasing number of applications ranging from thermal imaging to bio-sensing. However, the design of optical fiber with low-loss in the far-infrared requires a combination of properties including good rheological characteristics for fiber drawing and low phonon energy for wide optical transparency, which are often mutually exclusive and can only be achieved through fine materials engineering. This paper presents strategies for obtaining low loss fibers in the far-infrared based on telluride glasses. The composition of the glasses is systematically investigated to obtained fibers with minimal losses. The fiber attenuation is shown to depend strongly on extrinsic impurity but also on intrinsic charge carrier populations in these low band-gap amorphous semiconductor materials.
Keywords: infrared fibers; chalcogenide glass; telluride glass; long-wave infrared infrared fibers; chalcogenide glass; telluride glass; long-wave infrared
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lucas, P.; Boussard-Pledel, C.; Wilhelm, A.; Danto, S.; Zhang, X.-H.; Houizot, P.; Maurugeon, S.; Conseil, C.; Bureau, B. The Development of Advanced Optical Fibers for Long-Wave Infrared Transmission. Fibers 2013, 1, 110-118.

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