Related by context. Frequent words. (Click for all words.) 68 wavelengths 68 infrared wavelengths 65 interferometry 64 photons 63 redshift 62 wavelength 61 infrared radiation 60 GRBs 60 photon 60 quantum dots 60 laser pulses 60 diffraction 60 reflectivity 59 gravitational lensing 59 magnetic fields 59 quantum dot 58 waveguides 58 nanocrystal 58 phosphors 58 gamma rays 58 spectroscopic 58 HD #b [002] 58 laser pulse 56 spatial resolution 56 refractive index 56 diode lasers 56 distant galaxies 56 nanocrystals 56 quasars 56 Eta Carinae 56 photodiode 56 ferromagnetic 56 gamma ray burst 56 ferroelectric 55 elliptical galaxies 55 spectra 55 interferometer 55 light emitting diodes LEDs 55 ultraviolet light 55 positrons 55 optical telescopes 55 infrared 55 silicon germanium 55 neutrinos 55 tunable 55 gamma ray bursts 55 galaxy cluster 55 lasers 55 photodiodes 55 spectroscopy 55 gallium arsenide 55 hydrogen atom 55 excitation 55 electrons 55 gallium nitride 55 femtosecond 55 atoms 55 ultraviolet 55 cosmic rays 55 titanium oxide 55 gravitational waves 55 supernovae 54 atomic nuclei 54 ionosphere 54 infrared laser 54 distant galaxy 54 #μm [001] 54 adaptive optics 54 superfluid 54 spiral galaxies 54 electromagnetic spectrum 54 CCDs 54 fluorescent proteins 54 LEDs 54 metamaterial 54 metamaterials 54 quantum mechanical 54 nanometers 54 rocky planets 54 electron 54 optical microscope 54 superconducting 53 semiconducting 53 unaided eye 53 neutrons 53 qubit 53 interstellar dust 53 brown dwarf 53 brown dwarfs 53 μm 53 magnetization 53 planet orbiting 53 nuclei 53 photolithography 53 high temperature superconductors 53 brightness 53 electron beam 53 CMOS sensors 53 silicates 53 cosmic ray 53 nanometer scale