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Home > Frequently Asked Questions > Products > Light Sources > Can a calibration light source be used as a reference for relative irradiance?

Can a calibration light source be used as a reference for relative irradiance?

No! A calibration light source cannot be used as a reference for relative irradiance. The presence of a diffuser in the output path changes the spectrum so that it is not a blackbody source.

 

Learn more about Radiometric Calibrated Light Sources

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