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单词 optical filter
释义 DictionarySeefilter

optical filter


optical filter

[′äp·tə·kəl ′fil·tər] (computer science) filter

optical filter


optical filter

A device that passes only a portion of the visible light spectrum. Absorption filters absorb the unwanted wavelengths. Interference filters employ the wave effects of constructive and destructive superposition to pass or inhibit appropriate wavelengths. See also: filter
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