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Filter fluorometer : ウィキペディア英語版 | Filter fluorometer A filter fluorometer is a type of fluorometer that may be employed in fluorescence spectroscopy. In the fluorometer, a light source emits light of an excitation wavelength that is relevant to the compound to be measured. Filter fluorometers produce specific excitation and emission wavelengths by using optical filters. The filter blocks other wavelengths but transmits wavelengths relevant to the compound. The light passes through the sample to be measured, and a certain wavelength is absorbed while a longer wavelength is emitted. The emitted light is measured by a detector. By changing the optical filter, different substances can be measured. == Applications == Filter fluorometers can be highly sensitive, so are well suited to precise scientific research. The optical filters are relatively inexpensive and are easy to change, so filter fluorometers are commonly used in experimental applications which repeatedly measure different compounds.
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