Christiansen filter
Appearance
English
[edit]Etymology
[edit]Named after Danish physicist Christian Christiansen.
Noun
[edit]Christiansen filter (plural Christiansen filters)
- (optics, uncommon) 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.
Further reading
[edit]- Christiansen filter on Wikipedia.Wikipedia