Accurate Complex Refractive Index with Standard Deviation of ZnTe Measured by Terahertz Time Domain Spectroscopy
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概要
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Accurate complex refractive index of ZnTe crystal in terahertz spectral region from 0.2 to 3.5 THz is obtained by measuring three samples with different thickness using transmission terahertz time-domain spectroscopy. Each sample is measured a number of times and the mean and standard deviation (SD) of the complex refractive index are calculated to quantify the random errors in the measurement. The ratios of SD to mean of the real and imaginary parts of the refractive index are approximately 1.0\times 10^{-4} and 1.2\times 10^{-2} at 1 THz respectively. The absorption coefficient of our ZnTe sample is found to be comparable with or smaller than the values reported in previous literatures.
- 2013-04-25
著者
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Aoki Makoto
Graduate Program For Regulation Of Biological Signals Graduate School Of Bioagricultural Sciences Na
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Takeda Masanori
Graduate School Of Information Science Nara Institute Of Science And Technology
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Tripathi Saroj
Graduate School Of Science And Technology Shizuoka University
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HOSAKO Iwao
National Institute of Information and Communication Technology (NICT)
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Hiromoto Norihisa
Graduate School Of Science And Technology Shizuoka University
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Takeda Masanori
Graduate School of Science and Technology, Shizuoka University, Hamamatsu 432-8011, Japan
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Asahi Toshiaki
JX Nippon Mining and Metals Co., Ltd., Hitachi, Ibaraki 317-0056, Japan
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Tripathi Saroj
Graduate School of Science and Technology, Shizuoka University, Hamamatsu 432-8011, Japan
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