cut-on filter

https://doi.org/10.1351/goldbook.CT07351
Optical device that only permits the @T06477@ of radiation of @W06659@ shorter than a specified @W06659@.
Note:
Although more rare than the @C01482@, there are a few cut-on filters on the market.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 319 [Terms] [Paper]