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All-passive upconversion imaging of incoherent near-infrared light at intensities down to 50 nW/cm$^2$ https://arxiv.org/abs/2411.18707 #condmatmeshall #condmatmtrlsci #physicsoptics #physicsappph
All-passive upconversion imaging of incoherent near-infrared light at intensities down to 50 nW/cm$^2$ https://arxiv.org/abs/2411.18707 #condmatmeshall #condmatmtrlsci #physicsoptics #physicsappph