Simple and accurate measurement of the absorption coefficient of an absorbing plate by use of the Brewster angle

Kazuhiko Ogusu; Keijiro Suzuki; Hajime Nishio

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Simple and accurate measurement of the absorption coefficient of an absorbing plate by use of the Brewster angle

机译：利用布鲁斯特角简单，准确地测量吸收板的吸收系数

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We propose a simple and accurate method for measuring the refractive index and the absorption coefficient of an absorbing parallel plate. The method is essentially based on transmittance measurement with minimum reflectance at the Brewster angle for p-polarized light, which enables us to measure a low absorption loss of the order of 0.1 dB/cm for a typical plate thickness of 1 mm. The error that is due to the approximation used is practically negligible, and the accuracy of measured results depends mainly on the variations in the flatness and parallelism of the two surfaces of the sample and on instrumental errors.

机译：我们提出了一种简单而精确的方法来测量吸收性平行板的折射率和吸收系数。该方法主要基于透射率测量，对于p偏振光，在布鲁斯特角具有最小反射率，这使我们能够测量典型厚度为1 mm的0.1 dB / cm的低吸收损耗。由所使用的近似值引起的误差实际上可以忽略不计，并且测量结果的准确性主要取决于样品两个表面的平面度和平行度的变化以及仪器误差。

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《Optics Letters》 |2006年第7期|共3页
作者
Kazuhiko Ogusu; Keijiro Suzuki; Hajime Nishio;
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正文语种 eng
中图分类光学;
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1. Simple and accurate measurement of the absorption coefficient of an absorbing plate by use of the Brewster angle [J] . Kazuhiko Ogusu, Keijiro Suzuki, Hajime Nishio Optics Letters . 2006,第7期

机译：利用布鲁斯特角简单，准确地测量吸收板的吸收系数
2. Brewster's angle method for absorption coefficient measurement of high-resistivity silicon based on CW THz laser [J] . S. Ding, Q. Li, R. Yao, Applied physics . 2010,第1期

机译：基于连续太赫兹激光的布鲁斯特角法测量高电阻率硅的吸收系数
3. Absorption coefficient measurement of high-resistivity germanium at 2.52 THz by Brewster’s angle method [J] . S. H. Ding, Q. Li, R. Yao, Applied Physics B: Lasers and Optics . 2010,第4期

机译：用布鲁斯特角法测量2.52 THz时高电阻率锗的吸收系数
4. Simple and accurate technique to determine substrate indices by the multilayer Brewster angle measurement [C] . Feng Xiang, McGill Univ., Montreal, Integrated Optical Circuits . 1991

机译：通过多层Brewster角度测量确定衬底指数的简单而准确的技术
5. On simple and accurate finite element models for nonlinear bending analysis of beams and plates [D] . Urthaler Lapeira, Yetzirah Yksya 2007

机译：关于梁和板非线性弯曲分析的简单而精确的有限元模型
6. Domain structure and molecular conformation in annexin V/12-dimyristoyl-sn-glycero-3-phosphate/Ca2+ aqueous monolayers: a Brewster angle microscopy/infrared reflection-absorption spectroscopy study. [O] . F Wu, A Gericke, C R Flach, 1998

机译：Annexin V / 12-二肉豆蔻酰基-sn-甘油-3-磷酸/ Ca2 +水单层中的结构域结构和分子构象：布鲁斯特角显微镜/红外反射吸收光谱研究。
7. Accurate Measurement of Small Absorption Coefficients [O] . J. Han, D. W. Herrin, A. F. Seybert 2014

机译：准确测量小吸收系数
8. Microwave Emission from Granular Silicates - Determination of the Absorption Coefficient from Plate Measurements and the Effects of Scattering [R] . Conel, J. E. 1970

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Simple and accurate measurement of the absorption coefficient of an absorbing plate by use of the Brewster angle

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