“Littrow quartz spectrograph”的概念、定义、翻译、参考文献-科学参考

单词	Littrow quartz spectrograph
释义	Littrow quartz spectrograph [`li´trō ¦kwȯrts `spek·trǝ´graf] ^SPECTROSCOPY A spectrograph in which dispersion is accomplished by a Littrow quartz prism with a rear reflecting surface that reverses the light; a lens in front of the prism acts as both collimator and focusing lens.
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