Related by context. Frequent words. (Click for all words.) 61 photoluminescence 58 plasmon 56 absorbance 55 luminescence 55 paramagnetic 54 fluorescent molecules 54 Raman scattering 54 chromophore 54 stimulated emission 54 dispersive 53 ultraviolet UV light 53 luminosity 53 fluorescence 53 spectrally 53 keV 53 noble gases 53 crystallinity 53 diffraction pattern 53 scintillation 52 γ 52 polychromatic 52 colorimetric 52 supernatant 52 phosphorescence 52 anisotropy 52 Ultraviolet light 52 Prussian blue 52 soliton 52 photochemistry 51 Fluorescence 51 cuprates 51 cm -1 51 ultracold 51 incandescence 51 fluorophores 51 Fig. 1A 51 near infrared NIR 50 dopant 50 elemental composition 50 porphyrin 50 manganese oxide 50 nanobubbles 50 diffracted 50 Gamma rays 50 photometer 50 analyte 50 ionisation 50 photometry 50 semiconductor nanocrystals 50 electrophoretic 50 fluoresces 50 photocatalyst 50 SiO 2 50 haloes 50 halide 50 nonlinearity 50 excitations 50 spectral 50 reflectance 50 spinel 50 infrared wavelength 49 immunofluorescence 49 frequency comb 49 electron density 49 Ultraviolet radiation 49 translucence 49 spectral signature 49 fluorescent probes 49 optical wavelengths 49 fluorescing 49 permittivity 49 phonon 49 isotropic 49 confocal microscopy 49 nanosized 49 superlens 49 spectra 49 negative refraction 49 iridescence 49 ionize 49 magnetization 48 QDs 48 beam splitter 48 oxidizing agent 48 hydroxyl radicals 48 visible wavelengths 48 salt crystals 48 microscopy techniques 48 morphologies 48 superconductive 48 quantized 48 scanning electron microscopy 48 amide 48 Supplementary Fig 48 evanescent 48 corundum 48 fluorescence microscope 48 excitation 48 photosphere 48 ultraviolet wavelengths 48 globule