EXPRESS：了解高级衰减全反射校正：低吸收率假设。

IF 2.2 3区化学 Q2 INSTRUMENTS & INSTRUMENTATION Applied Spectroscopy Pub Date : 2024-08-11 DOI:10.1177/00037028241268024

Thomas G Mayerhöfer, Jürgen Popp

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引用次数: 0

摘要

我们提出了一种衰减全反射（ATR）校正方案，该方案能够在考虑任意入射角的偏振态的同时校正 ATR 光谱，前提是该角度必须超过整个 ATR 光谱的临界角。由于它依赖于弱吸收近似，因此无法实现对 ATR 光谱的完美校正。不过，了解它的功能可以为理解弱吸收近似背后的概念提供有价值的启示。根据仪器附件组合的具体偏振状态，该校正方案可能会优于 ThermoFisher 专有的高级 ATR 校正方案，同时还具有用户友好性，但与后者相比，其功能完全透明。

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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Understanding Advanced Attenuated Total Reflection Correction: The Low Absorbance Assumption.

We present an attenuated total reflection (ATR) correction scheme capable of rectifying ATR spectra while considering the polarization state for arbitrary angles of incidence, provided that this angle exceeds the critical angle for the entire ATR spectrum. Due to its reliance on the weak absorption approximation, it cannot achieve perfect correction of the ATR spectra. However, comprehending its functionality may offer valuable insights into the concept behind the weak absorption approximation. Depending on the specific polarization state of an instrument accessory combination, this correction scheme may outperform the proprietary advanced ATR correction authored by ThermoFisher while being as user-friendly, but in contrast to the latter completely transparent with regard to its functionality.

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来源期刊

Applied Spectroscopy 工程技术-光谱学

CiteScore

6.60

自引率

5.70%

发文量

139

审稿时长

3.5 months

期刊介绍： Applied Spectroscopy is one of the world''s leading spectroscopy journals, publishing high-quality peer-reviewed articles, both fundamental and applied, covering all aspects of spectroscopy. Established in 1951, the journal is owned by the Society for Applied Spectroscopy and is published monthly. The journal is dedicated to fulfilling the mission of the Society to “…advance and disseminate knowledge and information concerning the art and science of spectroscopy and other allied sciences.”