Atr Crystal

Some articles on atr, atr crystal:

Attenuated Total Reflectance
... Attenuated total reflectance (ATR) is a sampling technique used in conjunction with infrared spectroscopy which enables samples to be examined directly in the ... ATR uses a property of total internal reflection resulting in an evanescent wave ... A beam of infrared light is passed through the ATR crystal in such a way that it reflects at least once off the internal surface in contact with the sample ...

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