Related by context. Frequent words. (Click for all words.) 56 shorter wavelengths 55 fluoresce 54 excitons 54 Ultraviolet light 52 dye molecules 52 infrared radiation 52 exciton 52 laser pulses 52 magnetic fields 52 photons 52 dopants 52 -# ° C [001] 52 visible wavelengths 51 Quantum dots 51 nanorods 51 bandgap 51 plasmons 51 unaided eye 50 Photons 50 dopant 50 shorter wavelength 50 nuclei 50 magnetosphere 50 alpha particles 50 Gamma ray bursts 50 UVB radiation 50 ionized gas 50 photonic crystal 50 electrons 49 wavelengths 49 laser pulse 49 infrared 49 optical microscopy 49 X ray beams 49 terahertz radiation 49 radiative 49 adsorbed 49 solar corona 49 ultraviolet UV light 49 heliosheath 49 infrared wavelengths 48 photodetector 48 converts sunlight 48 picosecond 48 -# degrees Celsius [001] 48 quantum dots 48 hydrogen ions 48 Earth magnetosphere 48 atoms 48 picoseconds 48 nanocrystals 48 waveguides 48 frequency comb 48 femtoseconds 48 infrared rays 47 ionized 47 gamma rays 47 electron beams 47 SWNTs 47 neutrons 47 photoreceptors 47 atomic nuclei 47 absorbers 47 ions 47 microwave frequencies 47 photodiodes 47 bilayer 47 photon 47 crystal lattice 47 diffractive 46 accreting 46 accretion disk 46 interstellar medium 46 convert sunlight 46 ultraviolet light 46 quasar 46 excitation 46 semiconducting 46 planetary nebulae 46 microscale 46 hydrogen atoms 46 distant galaxies 46 magnetic reconnection 46 Bose Einstein condensate 46 submicron 46 excitations 46 vaporize 46 tunable 46 biomolecule 46 nanoshells 46 photodiode 46 photonic devices 46 refract 46 fluorescence 46 adsorb 46 quantum dot 46 nanocrystal 46 radiations 46 magnetar 46 calcium ions 46 ionization