Related by context. Frequent words. (Click for all words.) 53 microwave radiation 52 terahertz radiation 51 electromagnetic waves 51 ultrasonic waves 51 infrared rays 50 infrared radiation 49 fluoresces 49 infrared beam 48 radiowaves 48 radiations 48 laser pulses 46 magnetic pulses 46 electromagnetic radiation 46 infra red 46 Ultraviolet light 45 laser beams 45 jerky movements 45 plasmons 44 collimator 44 nerve impulses 44 emitted 44 laser pulse 44 fluorescing 44 magnetic fields 44 emit 44 optically 44 shorter wavelengths 44 Gamma rays 43 ultra violet rays 43 rays 43 resonators 43 photodetector 43 photons 43 ionisation 43 pulsed laser 43 optical wavelengths 43 ultraviolet UV light 43 Photons 43 excitons 43 near infrared NIR 43 plasmonic 43 dipoles 43 filament 43 curvatures 43 waveguide 43 alpha particles 43 fluoresce 43 lasers 42 photonic crystal 42 vibrating 42 Pulsed 42 ionize 42 electrochemical reaction 42 electrodes 42 electron beams 42 UVB radiation 42 wavelengths 42 electrical impulses 42 beams 42 emitting 42 electromagnetic 42 gold nanorods 42 whooshing 42 ionizing 42 oscillatory 42 femtosecond laser 42 infrared 42 sensory nerves 42 sensor detects 42 ablated 42 ultra violet light 42 bone conduction 42 microwave frequencies 42 vibrations 42 filaments 41 interferometric 41 dimpling 41 spectrally 41 refracts 41 intense pulsed 41 resonant frequency 41 beam 41 ionised 41 phonons 41 vibrate 41 pulses 41 electro magnetic 41 protrude 41 pulsation 41 UV light 41 vibrates 41 photonic crystals 41 Vibrating 41 electromagnet 41 motes 41 homing device 41 electrical currents 41 sunrays 41 faint glow 41 laser beam 41 photometer