Optical filter based on the
Christiansen effect.
Note:
Such filters have been made from quartz particles in air, immersed in \(\ce{CCl4}\), or immersed in mixtures of \(\ce{CCl4}\) and \(\ce{CS2}\).
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 740 (https://doi.org/10.1515/pac-2019-0203)