Related by context. Frequent words. (Click for all words.) 62 diffraction pattern 60 photonic crystal 60 chromophore 59 photoluminescence 59 frequency comb 58 absorbance 58 photodetector 58 FRET 58 fluorophores 57 phonon 57 amplitudes 57 stimulated emission 57 picosecond 56 nm wavelength 56 femtosecond 56 electron density 56 Fluorescence 56 excitation 56 electrophoretic 56 fluorescent probes 56 decoherence 56 fluorescent molecules 56 picoseconds 56 excitons 56 analyte 56 electron spins 56 excitations 55 QDs 55 immunofluorescence 55 near infrared NIR 55 γ 55 fluorescence 55 transduction 54 isotropic 54 Supplementary Fig 54 permittivity 54 Fig. 1A 54 laser pulse 54 oscillatory 54 confocal microscopy 54 photodiode 54 fluorescing 54 keV 54 z = 54 luminescence 54 negative refraction 54 dispersive 54 interferometric 54 mRNA expression 54 neovascularization 54 resonant frequency 54 spectra 53 nonlinearity 53 brain lesions 53 photodiodes 53 dye molecules 53 histone modifications 53 voxels 53 magnetization 53 porphyrin 53 metastable 53 nanocrystal 53 femtoseconds 53 spectrally 53 attosecond 53 Bose Einstein condensate 52 quantum dot 52 anisotropy 52 muon 52 magnetic beads 52 polypeptide 52 oscillation 52 photon 52 ganglion cells 52 PCR amplification 52 Tunable 52 exciton 52 neuronal activity 52 laser pulses 52 Brownian motion 52 wavefront 52 chromophores 52 mesoderm 52 confocal microscope 52 VCSELs 52 maser 52 SiO 2 52 gate electrode 52 photometry 52 interferometers 51 interferometry 51 Ca2 + 51 ultraviolet wavelengths 51 X ray emission 51 trillionths 51 porphyrins 51 quantized 51 #.#μm [001] 51 optical wavelengths 51 Raman spectroscopy 51 diffractive