Internal reflection from an absorbing material at
angles of incidence at or above the
critical angle.
See also: attenuated total reflection spectroscopy, multiple attenuated total reflection
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 652 (https://doi.org/10.1515/pac-2019-0203)