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Can you help me convert between candella and power wattage as measured by photodiode?

April 26, 2017candella convert help measured photodiode power wattage

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Can you help me convert between candella and power wattage as measured by photodiode?

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You can’t do this conversion unless your photodiode is filtered to have a photometric response or you are always measuring light sources with the same relative spectral power distributions. Just about any text on “Radiometry and Photometry” will provide the details necessary to understand these relationships.