Fabrication Of Heavy Metal Fluoride Glass Fibers Containing Ultra Low Levels Of Oxygen And Water

Paul R Foy; John B Aniano; Nelson DeVoe; Mahmoud R Shahriari; George H Sigel Jr.

doi:10.1117/12.945857

18 July 1988 Fabrication Of Heavy Metal Fluoride Glass Fibers Containing Ultra Low Levels Of Oxygen And Water

Paul R Foy, John B Aniano, Nelson DeVoe, Mahmoud R Shahriari, George H Sigel Jr.

Proceedings Volume 0929, Infrared Optical Materials IV; (1988) https://doi.org/10.1117/12.945857
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

Although heavy metal fluoride (HMF) glasses potentially offer high intrinsic transparency in the infrared spectral region, losses associated with extrinsic impurity absorption and scattering presently limit their uses in practical applications. This paper focuses on the design of an environmental control chamber and draw facility for minimizing water and oxygen contamination during the drawing of fluoride glass optical fiber. A vertical glove box arrangement of novel design encloses the draw tower area in which the preform and bare optical fiber are susceptible to moisture and water absorption. This area includes the preform chuck, the draw furnace, the fiber diameter monitor, the fiber coating equipment, and diagnostic instrumentation for measuring fiber tension and temperature. Plans for evaluation of various drawing techniques including rf/preform, resistance/preform, and rf/crucible are described, along with fiber coating techniques including oxide and non-oxide glass overcladding and UV-curable polymers.

Citation Download Citation

Paul R Foy, John B Aniano, Nelson DeVoe, Mahmoud R Shahriari, and George H Sigel Jr. "Fabrication Of Heavy Metal Fluoride Glass Fibers Containing Ultra Low Levels Of Oxygen And Water", Proc. SPIE 0929, Infrared Optical Materials IV, (18 July 1988); https://doi.org/10.1117/12.945857

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