Application of monochromator

Optical measuring device using diffraction Shan monomer or prism and the light cabinet combination monochromator. There are two kinds of spectral optical systems: a single light beam monochromator with a light cabinet or a prism with a main purpose to reduce stray light, which is a combination of two gratings with a combination of two gratings. In addition, the side wavelength range division, the use of the side of the wavelength spectrum efficiency of the highest cabinet, and a few pieces (up to 3 or so) grating can switch the structure form. The selection of spectral optical system should take into account the wavelength range and other factors, and the wavelength range of the wavelength calibration accuracy should be less than 0.5nm. In order to eliminate the multiple reflection light and reduce the stray light, the appropriate filter should be chosen.

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