low-pass filter

https://doi.org/10.1351/goldbook.08268
  1. Optical filter that excludes radiation of wavenumber greater (wavelength lower) than a certain value and passes radiation of wavenumber below (wavelength greater than) this value.
  2. Electrical filter that blocks signal with a modulation frequency above a certain cut-on value and passes signals of frequency below this value.
See also: high-pass filter
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 666 [Terms] [Paper]
Citation: 'low-pass filter' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.08268 RIS BibTex EndNote
Div. VTextXMLJSON