“We’ve achieved a luminescent concentration ratio greater than 30 with an optical efficiency of 82-percent for blue photons,” says Berkeley Lab director Paul Alivisatos, who is also the Samsung ...
Ground-level photon volume concentrations (𝑁) in the Johnson-Cousins 𝑉𝐽 band, associated with the horizontal irradiance produced by the artificial brightness of the night sky, in an area comprising ...