cut-off filter

https://doi.org/10.1351/goldbook.C01482
An optical device which only permits the @T06477@ of radiation of wavelengths that are longer than or shorter than a specified @W06659@. Usually, the term refers to devices which transmit radiation of wavelengths longer than the specified @W06659@.
See:
filter (of a radiation)
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2234 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014