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WHAT IS A SPECTROGRAPH?

April 26, 2017spectrograph

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WHAT IS A SPECTROGRAPH?

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A spectrograph is an optical instrument that transforms an incoming light signal into a sequence of spectra. There are several kinds of spectrographs. A spectrograph is an instrument without a photo detector, but typically have all the front optics, diffractive elements and focusing/imaging optics, but no photo detector or any data acquisition electronics and software attached or associated to it.