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Thermal Conductivity Measurement of Infrared Optical Fibers Based on Silver Halide Solid Solution Crystals
Authors
A. S. Korsakov
A. V. Rudenko
+4 more
A. S. Shmygalev
A. Turabi
B. P. Zhilkin
L. V. Zhukova
Publication date
1 January 2021
Publisher
'IOP Publishing'
Abstract
The aim of the study is to measure the thermal conductivity of silver halide light guides based on crystals of the AgCl-AgBr system used in PSD production technologies. The conductivity temperature coefficient of the samples under study were determined by the laser flash method using the LFA 467 (Hyper Flash) installation. We studied mono- and polycrystalline samples of solid solutions with the composition AgCl0,25AgBr0,75 in the temperature range 298–523 K. The thermal conductivity of the investigated materials was then calculated using literature data on density and heat capacity. The thermal conductivity coefficient ranges from 0.80±0,04 to 0.53±0,03 (W/m·K), depending on the microstructure of the sample. © 2021 Institute of Physics Publishing. All rights reserved.The research has been supported by the grants of President of the Russian Federation, MD-5324.2021.4
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Last time updated on 17/05/2022