Related by context. Frequent words. (Click for all words.) 78 femtoseconds 73 picoseconds 71 picosecond 64 laser pulses 63 femtosecond 60 laser pulse 58 GeV 58 nanoseconds 57 photons 57 photon 57 amplitudes 56 nanometers thick 55 micrometres 55 pixels 55 excitons 55 nanometers 55 gamma ray burst 55 milliseconds 54 microns 54 isotropic 54 msec 54 microsecond 54 microseconds 54 infrared wavelengths 54 #/#th [001] 53 wavelengths 53 magnetar 53 joules 53 trillionth 53 electron volts 53 X ray emission 53 millionths 53 tesla 53 GRBs 53 micrometers 52 magnetization 52 millisecond 52 particle collisions 52 GPa 52 spectra 52 electron beams 52 #μm [001] 52 neutrons 52 interferometry 52 bandgap 51 qubit 51 redshift 51 optical microscope 51 X ray beam 51 spatial resolution 51 pulses 51 diffraction 51 microns thick 51 photodiodes 51 atoms 51 gamma ray bursts 51 substorms 50 amperes 50 qubits 50 photonic crystal 50 WIMPs 50 brightness 50 hydrogen atom 50 wavelength 50 pixel 50 billionths 50 μm 50 micrometer 50 irradiance 50 microliter 49 spacetime 49 terahertz 49 ampere 49 μA 49 milliwatts 49 galaxy cluster 49 superposition 49 voxel 49 excitation 49 mV 49 electrons 48 focal length 48 Brownian motion 48 atomic nuclei 48 cd/m2 48 lasing 48 shorter wavelength 48 CCDs 48 perigee 48 interferometer 48 anisotropy 48 rubidium 48 auroral 48 electron 48 analyte 48 electron spin 48 quantum mechanical 48 THz 47 supernovae 47 f#.# 47 magnetic fields