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Spectrograph introduction

...... In spectrograph atomic emission spectrometry, after the sample is excited, the composite light of the light source is decomposed into a spectral line of different wavelengths by a dispersion, and the device is recorded by a photosensitive plate. It consists of an illumination system, a quasi-optical system, a dispersion system, and a projection system. It is divided into two types: prism spectrograph and grating spectrograph. An instrument that disperses light by wavelength to form a spectrum. An instrument that decomposes complex light into a spectrum and can take a photomicrograph, the components of which are the same as the beam splitter, ie, collimator A, telescope B, and scale tube C. The difference is that only the focal plane MN of the lens L is disposed on the bottom plate, and the photo of the spectrum can be photographed for repeated and careful comparison and research.(View original)
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