Spectral photometry

Photon (radiation) is absorbed in the material, or radiation from the material, according to the nature of the material, because of the different wavelength will appear. The wavelength selective radiation source due to different radiation wavelength, spectral distribution will show its inherent. Because of the difference of absorption, reflection and energy level of the detector, the detector can display its inherent spectral responsivity.

In the light of radiation, using the light source, the radiation source or the light receiving device, detector to properly evaluate the side, with the calibration value of the radiation source or detector as the standard, to compare measurement using spectral optical system can be obtained by spectral correction real substances. By using the light side the results of the revised to be evaluated more closely.

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