FOT

The principle of optical fiber spectrometer is introduced

by:FOT     2020-06-20
Optical fiber spectrometer is usually used as the signal coupling, coupling to the spectrometer will be metering spectral analysis. Due to the convenience of the fiber, the user can build spectrum acquisition system very flexible. Fiber optic spectrometer has the advantage of measuring system of modularization and flexibility, has become an important measure to spectrum used in the surveying instruments, are widely used in agriculture, biology, chemistry, geology, food safety, chromaticity calculation, environmental inspection, medicine and health care, LED, semiconductor industry, petrochemical industry, etc. Basic configuration includes a fiber optic spectrometer grating, a slot, and a detector. The working principle of spectrometer is how? With relatively simple expression, will be metering coupling to the spectrometer spectral analysis, because of the convenience of , the user can use instruments very flexible structures, spectral acquisition system, the measurement system of modularization and flexibility. For the fiber optic spectrometer, usually in the 200 - nm - spectral range 2200 nm. Due to demand higher resolution can be hard to get broad spectrum scope; At the same time, the higher the resolution requirements, its luminous flux will be less. For low resolution and wider spectral range, 300 lines/mm grating is usually the choice. If the requirement is high spectral resolution, you can select 3600 lines/mm grating, or choose more pixels resolution of the detector. A narrow slit can improve resolution, but less luminous flux.
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