Near infrared weak pulse spectral radiance calibration device
A spectral radiance and near-infrared technology, which is applied in the field of light source spectral radiance calibration devices and spectral radiance calibration devices, can solve the problems of absolute spectral radiance and energy loss in the near-infrared band.
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[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0034] Such as figure 1 As shown, the preferred embodiment of the present invention includes a light source assembly 1, a fiber assembly 2 including a coupling lens 2-1 and an array fiber bundle 2-2, a grating spectrometer 3 and a computer 4 equipped with a spectral radiance calibration data processing software package.
[0035] The light source assembly 1 includes a high-temperature black body 1-1 for calibrating the grating spectrometer 3, a white light source 1-2, a high-pressure mercury lamp 1-3, a pulse switch 1-5, and a one-dimensional mobile platform 1-6. The high-temperature blackbody 1-1 is a blackbody with a color temperature of 2856K developed by the All-Russian Institute of Physics. Its main function is to obtain the image of the area array EMCCD3-4 in the grating spectrometer 3 according to the theoretical spectral radia...
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