Nanoscale · 2019 · 48 citations · 27 references
Natural SciencesBiomedical EngineeringMaterials ScienceNanotechnologyOpticsPhotonicsLight SourcesLuminescent MaterialsNonlinear OpticsOptical SourcesUpconversion MaterialsIntensity ThresholdIrradianceIrradiance DependenceNanoparticlesPhotoinduced LuminescenceSpatial Light ModulatorsUpconversion LuminescenceUpconversion Nanoparticles
Microlens arrays are applied as spatial light modulators to manipulate the distribution of excitation light fields in order to overcome the high excitation-intensity threshold of upconversion nanoparticles, taking advantage of their nonlinear response to excitation irradiance.
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Temporal full-colour tuning through non-steady-state upconversion
Renren Deng, Fei Qin, Runfeng Chen et al. · Nature Nanotechnology · 2015 · 988 citations