Christiansen filter

noun

A narrow bandpass or monochromatic optical filter which consists of an optical cell which is filled with a crushed substance (e.g. glass) and a (mostly organic) liquid.

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Meanings

nounChristiansen filter (plural Christiansen filters)

plural Christiansen filters

  1. uncommonengineeringA narrow bandpass or monochromatic optical filter which consists of an optical cell which is filled with a crushed substance (e.g. glass) and a (mostly organic) liquid.

Origin

Named after Danish physicist Christian Christiansen.

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Cite this entry
APA

Christiansen filter. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Christiansen%20filter

MLA

“Christiansen filter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Christiansen%20filter. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Christiansen filter,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Christiansen%20filter.

Source: Christiansen filter on Wiktionary, CC BY-SA 4.0.