Related by context. Frequent words. (Click for all words.) 67 spectra 65 photonic crystal 64 interferometry 64 electron density 63 diffraction 63 anisotropy 61 photons 61 morphologies 61 frequency comb 61 laser pulses 61 interferometer 61 confocal microscopy 61 reflectance 61 spectroscopic 61 anisotropic 61 magnifications 60 wavefront 60 electron beams 60 transmission electron microscopy 60 microstructures 60 magnetization 60 solar corona 60 visible wavelengths 60 X ray beam 59 diffractive 59 shorter wavelengths 59 X ray diffraction 59 amplitudes 59 spectrometry 59 coronal 59 infrared wavelengths 59 isotropic 59 optical microscopy 59 photonic crystals 59 scanning tunneling microscope 58 femtosecond 58 wavelengths 58 Hubble observations 58 photometric 58 photodetector 58 infrared spectroscopy 58 nanoscopic 58 voxel 58 exciton 58 absorbance 58 spatial resolution 58 scanning electron microscope 58 excitations 58 optical microscope 58 excitons 57 biomolecule 57 optical microscopes 57 plasmons 57 fluorescent dyes 57 photon 57 spectrally 57 particle sizes 57 waveguides 57 nuclei 57 gold nanorods 57 Raman spectroscopy 57 dispersive 57 spatial dimensions 57 Gamma rays 56 biological molecules 56 X ray beams 56 nanocrystal 56 spectral 56 tomography 56 angstroms 56 anatomical structures 56 X ray emission 56 crystal lattice 56 fluorescence 56 photodiodes 56 Fig. 1A 56 spectroscopy 56 gravitational lensing 56 infrared radiation 56 analyte 55 abundances 55 picosecond 55 antiprotons 55 CCD camera 55 z = 55 dye molecules 55 auroral 55 quantized 55 parallax 55 surface roughness 55 QDs 55 neutron scattering 55 superposition 55 Photons 55 x ray crystallography 55 nanocrystals 55 astronomical objects 55 confocal 55 electron microscopy 55 NICMOS 55 fluorescence microscopy