7 March 2014 Drawing robust infrared optical fibers from preforms produced by efficient multimaterial stacked coextrusion
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Proceedings Volume 8982, Optical Components and Materials XI; 89820F (2014) https://doi.org/10.1117/12.2039967
Event: SPIE OPTO, 2014, San Francisco, California, United States
Abstract
The utilization of infrared chalcogenide glass (ChG) fibers has long been hampered by the unfavorable mechanical characteristics typical of these glasses. Furthermore, the usual pathways to producing such fibers necessitate large-scale synthesis of high-purity glass, which represents a challenge in an academic environment, and thus presents an obstacle to the transfer of research results from academia to industry. Here we present our recent progress on multimaterial coextrusion technology that allows for high-efficiency disc-to-fiber manufacturing. A one-step extrusion from two glass discs (10-mm-diameter and 3-mm-thick) and a thermoplastic disc results in a robust step-index preform that is thermally drawn in an ambient atmosphere into continuous lengths of fiber with core diameters on the order of tens of micrometers. These results offer an alternative methodology that overcomes many of the traditional obstacles while potentially reducing the production cost.
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Guangming Tao, Ayman F. Abouraddy, "Drawing robust infrared optical fibers from preforms produced by efficient multimaterial stacked coextrusion", Proc. SPIE 8982, Optical Components and Materials XI, 89820F (7 March 2014); doi: 10.1117/12.2039967; https://doi.org/10.1117/12.2039967
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