Spectroradiometer Calibration Methods and Techniques
As virtually all the environmental effects of ultraviolet radiation are strongly dependent on its wavelength, it is essential to obtain reliable measurements of the solar spectral irradiance received at the surface of the Earth. Such measurements, gathered at different times and places, can only be related to each other, and applied to the calculation of the effects, if they are expressed on an absolute scale of irradiance, in which the fluxes are given in units of W m−2 nm −1, for example.
KeywordsSpectral Irradiance Optical Bench Wavelength Calibration Solar Spectral Irradiance Slit Function
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