Optical and physical effects of iodine in chalcohalide glasses

Robin J. MacKinnon; Jong Heo; George H. Sigel Jr.

doi:10.1117/12.18632

1 May 1990 Optical and physical effects of iodine in chalcohalide glasses

Robin J. MacKinnon, Jong Heo, George H. Sigel Jr.

Proceedings Volume 1228, Infrared Fiber Optics II; (1990) https://doi.org/10.1117/12.18632
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

Tellurium and iodine were added to a base chalcogenide glass composition (Ge33Asl2Se5S) to compare their effects on physical and optical properties. Iodine decreased the glass transition temperature and increased thermal expansion to a greater extent than tellurium. However, density was lowered by the presence of iodine and increased by tellurium. Examination of the multiphonon absorption edge in the 300-900 cm1 range revealed that iodine and tellurium occupy different structural sites which accounts for their varied effect on physical properties. There appears to be no advantage of iodine versus tellurium additions with regard to optical fiber applications based on the results obtained.

Citation Download Citation

Robin J. MacKinnon, Jong Heo, and George H. Sigel Jr. "Optical and physical effects of iodine in chalcohalide glasses", Proc. SPIE 1228, Infrared Fiber Optics II, (1 May 1990); https://doi.org/10.1117/12.18632

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