如何将高消光指数材料的FIR透射光谱信噪比提高到10:1

Infrared physics Pub Date : 1993-06-01 DOI:10.1016/0020-0891(93)90021-X

A. Hadni, X. Gerbaux

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引用次数: 4

摘要

对于金属、超导体、一些铁电体等，要获得具有高消光指数的材料的远红外透射光谱是非常困难的，因为薄至300 Å的薄膜通常透射率低于1%。结果表明，将薄膜贴在透明板上并观察干涉条纹可使透射率增加10倍或更多。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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How to increase S/N ratio by 10:1 in FIR transmission spectroscopy of high extinction index materials

To obtain transmission spectra of materials with a high index of extinction is very difficult in the far IR for metals, superconductors, some ferroelectrics, etc. because films as thin as 300 Å are often transmitting less than 1%. It is shown that sticking the film onto a transparent plate and looking at the interference fringes can multiply transmission by a factor of 10 or more.

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Infrared physics

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