08266 IUPAC Gold Book - liquid crystal tunable filter 10.1351/goldbook.08266 08266 current initialism: LCTF 1 Optical device based on polarization interference caused by transmission through a series of birefringent liquid crystal layers of different thicknesses that allow a narrow wavelength region to be selected and tuned over a broad spectral range. wavelength https://goldbook.iupac.org//terms/view/08299 PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 666 (https://doi.org/10.1515/pac-2019-0203) https://goldbook.iupac.org/terms/view/08266/html https://goldbook.iupac.org/terms/view/08266/json https://goldbook.iupac.org/terms/view/08266/plain Citation: 'liquid crystal tunable filter' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08266 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-06-04T03:14:47+00:00