Measurements of Absorption Coefficients in Znse by Automated Laser Calorimetry
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概要
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An automated measuring apparatus based on the thermocouple laser calorimetry is developed. The absorption coefficients of CVD Zn Se specimens are measured with this technique. The accuracy is within ±5% and a measurent is completed in less than 10 minutes. The total absorption is resolved into bulk absorption and surface one having approximately 8×10<SUP>-4</SUP>cm<SUP>-1</SUP> and 2×10<SUP>-4</SUP>/surface respectively. The absorption coefficients increase up to the level of 10<SUP>-2</SUP>-10<SUP>-1</SUP>cm<SUP>-1</SUP> owing to pore defects and/or powder defects. The dependence of absorption coefficient on the measurement's position is observed and the absorption coefficients are found to be almost uniform in case of non-defect disk shaped specimen.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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