Related by context. Frequent words. (Click for all words.) 65 shorter wavelengths 64 visible wavelengths 63 terahertz radiation 63 wavelengths 61 photonic crystal 60 diffractive 60 photodetector 60 photons 59 waveguides 59 interferometry 59 optical microscopy 59 fluorophores 59 X ray emission 58 X ray beam 58 electron beams 58 optical fibers 58 waveguide 58 ultrasonic waves 58 photonic crystals 58 photometer 58 infrared wavelengths 57 InGaAs 57 laser pulse 57 Photons 57 microelectrodes 57 pulsed laser 57 magnetic fields 57 dispersive 57 excitons 57 Gamma rays 57 dye molecules 57 solar corona 57 interferometer 57 laser pulses 57 electromagnetic waves 57 microwave frequencies 57 infrared 56 magnetic flux 56 plasmons 56 photodiode 56 infrared rays 56 polarizations 56 plasmonic 56 frequency comb 55 Cosmic rays 55 X ray beams 55 bandgap 55 spacetime 55 wavefront 55 photodetectors 55 photodiodes 55 microwave radiation 55 sensor arrays 55 morphologies 55 diffraction 55 infrared radiation 55 laser beams 55 dipoles 55 photometry 55 photon 55 filaments 55 scanning tunneling microscope 55 shorter wavelength 55 #μm [002] 54 spectrally 54 exciton 54 electrically conducting 54 wavelength 54 corona 54 accretion disk 54 Metamaterials 54 dopants 54 gravitational lensing 54 indium phosphide 54 apertures 54 toroidal 54 ionospheric 54 nm wavelength 54 active galactic nuclei 54 refract 54 anisotropy 54 magnetosphere 54 redshifts 54 biological molecules 54 reflectance 53 metamaterial 53 amplitudes 53 nanoribbons 53 muon 53 isotropic 53 nanocrystal 53 quantum dot 53 galaxy cluster 53 gold nanorods 53 magnetization 53 ionized gas 53 magnetic reconnection 53 electrons 53 comet tail 53 microchannels 53 distant galaxies