Attenuated total reflection crystal fabricated from diamond material

An attenuated total reflection (ATR) crystal (10) for ATR spectroscopy of a sample to be analysed. The ATR crystal is formed of a diamond material and configured to have an inlet surface (12) for an infrared analysis beam, an outlet surface (14) for the infrared analysis beam, and a working surface...

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description An attenuated total reflection (ATR) crystal (10) for ATR spectroscopy of a sample to be analysed. The ATR crystal is formed of a diamond material and configured to have an inlet surface (12) for an infrared analysis beam, an outlet surface (14) for the infrared analysis beam, and a working surface (16) for contacting the sample to be analysed. The ATR crystal (10) is in the form of a chamfered cylinder comprising two flat chamfered side walls forming the inlet and outlet surfaces (12, 14), and an end surface of the chamfered cylinder forming the working surface (16). The analysis beam can be directed through the inlet surface (12) to an inner side of the working surface (16) in contact with the sample to be analysed and internally reflected at the inner side of the working surface (16) in contact with the sample to be analysed such that the analysis beam passes out of the ATR crystal through the outlet surface (14). The working surface (16) is convexly curved.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Attenuated total reflection crystal fabricated from diamond material
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