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action spectrum

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Noun1.action spectrum - the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation
spectrum - an ordered array of the components of an emission or wave


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5,6) Taking into account the solar spectrum and the action spectrum of the skin (erythema curve) yields the weighted UV radiation penetration or the UV protection factor (UPF).
In addition, large errors can occur due to out-of-band, non-linear, and non-ideal geometric or spatial response of the UV meters, Finally, in many applications, how well the response of the UV meter approximates the presumed action spectrum needs to be understood for optimal use of the meters.
 
 
 
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