7 March 2014 Multimaterial rod-in-tube coextrusion for robust mid-infrared chalcogenide fibers
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Proceedings Volume 8982, Optical Components and Materials XI; 898223 (2014) https://doi.org/10.1117/12.2039988
Event: SPIE OPTO, 2014, San Francisco, California, United States
The development of quantum cascade lasers that span mid-infrared wavelengths necessitate developing new infrared fibers capable of transmitting light in the 3 ‒ 12 micron range. The main material candidates for producing infrared fibers that cover this spectral region are polycrystalline silver halides and glassy tellurium-based chalcogenide glasses. The latter are more chemically stable, and thus represent a superior choice for infrared fibers. We adapt a fiber fabrication methodology that we recently developed for other chalcogenide glasses to tellurium-based chalcogenides. We introduce a novel infrared optical fiber with tellurium-based chalcogenide core and cladding, which is provided with a built-in polymer jacket. We prepare purified Ge-As-Se-Te glasses that are used in extruding a preform. This preform is then thermally drawn continuously in an ambient environment into extended robust infrared fibers that transmit light in the 3 ‒ 12 micron spectral range.
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Guangming Tao, Guangming Tao, Soroush Shabahang, Soroush Shabahang, He Ren, He Ren, Zhiyong Yang, Zhiyong Yang, Xunsi Wang, Xunsi Wang, Ayman F. Abouraddy, Ayman F. Abouraddy, "Multimaterial rod-in-tube coextrusion for robust mid-infrared chalcogenide fibers", Proc. SPIE 8982, Optical Components and Materials XI, 898223 (7 March 2014); doi: 10.1117/12.2039988; https://doi.org/10.1117/12.2039988


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