Term: bandpass filter
https://doi.org/10.1351/goldbook.B00594

Definition:
An optical device which permits the transmission of radiation within a specified wavelength range and does not permit transmission of radiation at higher or lower wavelengths. It can be an interference filter.

Related Terms:
1) cut-off filter (http://doi.org/10.1351/goldbook.C01482).
2) transmission (http://doi.org/10.1351/goldbook.T06477).
3) wavelength (http://doi.org/10.1351/goldbook.W06659).
4) interference filter (http://doi.org/10.1351/goldbook.I03090).

Source: PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2229 (https://doi.org/10.1351/pac199668122223)

Citation: 'bandpass 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.B00594

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