What are the influence factors of fiber optic spectrometer?

by:FOT     2020-06-25
fiber optic equipment spectrometer is a use of light intensity detecting technology for studying the object of the equipment, can be measured ultraviolet, visible and near-infrared wavelengths of light. Due to its advantages of high accuracy, high speed, it is widely used in color, concentration of chemical measurement, etc. So what are the influence factors of fiber optic spectrometer? 1, the slit slit can also affect the performance of the fiber optic spectrometer. The size of the slit will affect the amount of light, the optical quantity is big, spectral range will also increase, small slit, less light, there will be fewer spectral range. Spectrometer is a use of light intensity detecting technique for studying the object of the equipment. Slit can increase the equipment sensitivity, but lose resolution. Different application fields of slit width different requirements, choose the appropriate width can optimize the test results. Slit parameters change will have a big impact on the performance of the spectrometer, when we use to choose suitable width, so as not to affect the results of the study. 2, the performance of the optical resolution of the spectrometer is mainly determined by spectral range, optical resolution and sensitivity. The normal spectral range in 200 nm - usually 2200 nm. Resolution is inversely proportional to the resolution and spectral range, that is to say the higher equipment spectral range is wider. On the contrary, the higher the resolution requirements, its luminous flux will be less. These two parameters change can seriously affect the observation effect of the equipment. The user can choose according to their own needs the corresponding parameters, if demand is high spectral resolution, can reduce the spectral range. Also improve the resolution, will reduce the luminous flux. 3, filter fiber spectrometer using filter can reduce the interference of multistage diffraction. Spectrometer to be in the factory will have filters in place. Also coating on the filter, this also has the function of anti-reflective layer corresponding improve the SNR of the system. I installed if there is no filter, can seriously affect the equipment level of observation.
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