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http://dx.doi.org/10.4191/KCERS.2010.47.2.142

Thermal Evaporation of Amorphous Chalcogenide on Single-mode Optical Fiber  

Hwang, Sung-Tae (Department of Physics, Sogang University)
Cho, Kyu-Man (Department of Physics, Sogang University)
Kang, Bong-Hoon (Department of Visual Optics, Far East University)
Joo, Gi-Tae (Materials Science & Technology Research Division, Korea Institute of Science and Technology)
Publication Information
Journal of the Korean Ceramic Society / v.47, no.2, 2010 , pp. 142-145 More about this Journal
Abstract
We made a film of a few ${\mu}m$ thickness by evaporating $As_2S_3$ piece to perpendicularly cut optical fiber by thermal evaporation process. Linear refractive index(n) and linear absorption coefficient(k) of amorphous $As_2S_3$ are 2.525 and $1.727{\times}10^{-3}$, respectively. A surface roughness did not exceed 2 nm and a transmission spectrum showed that the sample of thermal evaporation was homogeneous.
Keywords
Single-mode optical fiber; Amorphous chalcogenide; $As_2S_3$; Thermal evaporation;
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