英语词汇“etalon”的意思、释义、用法解释及翻译-春雷网

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词汇	etalon
释义	Definition of etalon in English: etalon nounˈɛtəlɒnˈādlˌän Physics A device consisting of two reflecting glass plates, employed for measuring small differences in the wavelength of light using the interference it produces. Example sentencesExamples The change in resonance frequency of the etalon measures the change in optical-path length. We specialize in very large aperture etalons with diameters up to 150 mm. Our products range from simple condenser lenses to precision etalons. Origin Early 20th century: from French étalon, literally 'standard of measurement'. Definition of etalon in US English: etalon nounˈādlˌän Physics A device consisting of two reflecting glass plates, employed for measuring small differences in the wavelength of light using the interference it produces. Example sentencesExamples We specialize in very large aperture etalons with diameters up to 150 mm. Our products range from simple condenser lenses to precision etalons. The change in resonance frequency of the etalon measures the change in optical-path length. Origin Early 20th century: from French étalon, literally ‘standard of measurement’.
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