cut-off filter
An optical device which only permits the @[email protected] of radiation of wavelengths that are longer than or shorter than a specified @[email protected] Usually, the term refers to devices which transmit radiation of wavelengths longer than the specified @[email protected]
filter (of a radiation)
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2234 [Terms] [Paper]