Journal of Investigative Dermatology

FIGURE 1

FROM:

Photobiology 102: UV Sources and Dosimetry – the Proper Use and Measurement of ''Photons as a Reagent''

Francis P Gasparro and Douglas B Brown

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Figure 1.

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Spectral irradiance of UVR sources discussed. The spectral irradiances for Kodacel-filtered sunlamps (broken line) and UVA-340 lamps (dotted line) are compared with a typical solar irradiance (solid line, right axis). The vertical lines at 290 and 320 mark the UVC/UVB and UVB/UVA boundaries, respectively.

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