Current Status of Internal Reflectance Spectroscopy
The first applications of frustrated multiple internal reflectance or attenuated total reflectance to infrared spectroscopy were reported by Harrick (1) and Fahrenfort (2) in 1959. Because their work was done independently, the two different terminologies have been used in the literature and a certain amount of confusion has resulted. It should be understood that both FMIR and ATR refer to the same phenomenon; the more general term “Internal Reflection Spectroscopy” will be used in this discussion.
KeywordsRefractive Index Critical Angle Internal Reflection Quantitative Accuracy Wavelength Side
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