Abstract:We report a multi-purpose spectrum-on-demand light source (SOLS), conceived primarily but not exclusively, for the multiple and advanced characterization of photovoltaic (PV) materials and devices. The apparatus is a spectral shaper illumination device, providing a tunable and spectrally shaped light beam produced by modulating the intensity and/or wavelength range of a primary light source. SOLS stands out from the state of the art because it produces almost any spectrum on demand and delivers two types of ou… Show more
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