| 单词 | wavelength shifter |
| 释义 | wavelength shifter [`wāv´leŋkth ´shif·tǝr] ELECTRONICS A photofluorescent compound used with a scintillator material to increase the wavelengths of the optical photons emitted by the scintillator, thereby permitting more efficient use of the photons by the phototube or photocell. |
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