Related by context. Frequent words. (Click for all words.) 85 lasers 73 laser beam 66 Laser 62 infrared 61 laser beams 60 diode laser 59 infrared laser 56 infra red 53 Lasers 53 ultrasonic 52 laser diode 52 laser diodes 52 infrared IR 51 fiber lasers 51 optic 51 optical 50 ultraviolet light 49 X ray 49 ion beam 49 illumination 49 LASER 49 laser pulses 48 optics 48 imagers 48 fluorescence 48 electron beam 48 spectroscopy 48 Infrared 48 x ray 48 diode 47 infrared camera 47 photodynamic therapy 47 gamma ray 47 holographic 47 UV light 47 tracers 47 ultraviolet 47 handpiece 47 scopes 46 LED 46 ultra violet 46 imaging 46 pulsed 46 laser pulse 46 optoelectronic 46 diffraction 46 fluorescent 46 strobe 45 laser scanning 45 UV 45 quantum dots 45 infrared imaging 45 light emitting diode LED 45 optically 45 spectrograph 45 quantum dot 45 electromagnetic 45 radiofrequency 45 precision 45 imager 45 refractive 44 photolithography 44 spectrophotometer 44 LEDs 44 laser scanner 44 fluoroscopy 44 X ray imaging 44 Ultrasonic 44 spectroscopic 44 phosphors 44 thermal imaging 44 Raman spectroscopy 44 ultra violet light 44 CCD camera 43 infrared sensors 43 photon 43 ultrasound imaging 43 beam 43 searchlights 43 photonic 43 infrared sensor 43 wavelength 43 ultrasound 43 detector 43 interferometer 43 waveguide 43 strobes 43 sensor 43 ink jet 43 adaptive optics 43 LASIK surgery 43 high brightness LEDs 43 photosensitive 43 eyepiece 42 diodes 42 linear accelerator 42 LASIK 42 neutron 42 bioluminescence 42 phosphor 42 electro optic