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Spectral characteristic measuring apparatus and method for correcting wavelength shift of spectral sensitivity in the apparatus
Spectral characteristic measuring apparatus and method for correcting wavelength shift of spectral sensitivity in the apparatus
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机译：光谱特性测量装置和校正装置中光谱灵敏度的波长偏移的方法
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摘要
A spectral characteristic measuring apparatus is provided with a memory and a CPU. The memory stores a spectral profile output from a sample light sensor array when light from a lamp is received, and a plurality of spectral profiles to be output from the sensor array at each displaced position in the case where a light separator is displaced relative to a grating member of the sensor array at a certain pitch stepwise in a wavelength diffusing direction. The CPU controls the lamp to emit light in a state that a white plate for calibration is disposed as a sample, compares a spectral profile output from the sensor array for correction with each spectral profile stored in the memory, and sets a displacement amount corresponding to the spectral profile that is most approximate to the corrective spectral profile as a wavelength shift correction amount.
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