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Absorption coefficient measurement of high-resistivity germanium at 2.52 THz by Brewster’s angle method

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Abstract

Brewster’s angle method was adopted to measure the absorption coefficient of a set of high-resistivity germanium samples at 2.52 THz in this paper. Numerical simulations were firstly carried out to evaluate the errors during measurement. The experimental setup was improved, and measurement was carried out based on a CW THz laser at 2.52 THz.

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Authors and Affiliations

  1. National Key Laboratory of Tunable Laser Technology, Institute of Opto-Electronic, Harbin Institute of Technology, No. 2 YiKuang Street, P.O. Box 3031, Harbin, Heilongjiang, 150081, China

    S. H. Ding, Q. Li, R. Yao & Q. Wang

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  1. S. H. Ding
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  2. Q. Li
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  3. R. Yao
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  4. Q. Wang
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Correspondence to Q. Li.

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Ding, S.H., Li, Q., Yao, R. et al. Absorption coefficient measurement of high-resistivity germanium at 2.52 THz by Brewster’s angle method. Appl. Phys. B 99, 733–739 (2010). https://doi.org/10.1007/s00340-009-3873-5

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  • DOI: https://doi.org/10.1007/s00340-009-3873-5

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