Related by context. Frequent words. (Click for all words.) 58 ultrasonic waves 56 infra red 56 collimator 56 infrared rays 55 ultra violet light 54 near infrared NIR 54 ultraviolet UV light 54 photometer 53 photocell 53 infrared 53 ultra violet rays 53 thermographic 52 beam splitter 52 femtosecond laser 52 microwave radiation 52 ultrasonics 52 plasmon 51 dye molecules 51 infrared thermometer 51 UV lamp 51 parallax barrier 51 UV light 51 calorimeter 50 infrared IR 50 photodetector 50 X ray beam 50 apertures 50 infrared radiation 50 infrared laser 50 magnetron 50 fluorescent probes 50 thermal ablation 50 infrared beam 50 CCD camera 49 ultraviolet light 49 photocatalyst 49 optically 49 nanobubbles 49 radioactive tracer 49 fluorescent molecules 49 Ultraviolet light 49 cryogenic temperatures 49 fluorescent dye 49 fluorescent light 49 photonic crystal 49 fluidics 49 terahertz radiation 49 emissivity 48 electrochemical reaction 48 ultrasonic sensors 48 laser ablation 48 electrically conducting 48 confocal microscope 48 ionisation 48 Thermal imaging 48 magnetic particle 48 laser beams 48 electron beams 48 pulsed laser 48 microelectrodes 48 electromagnetic waves 48 X ray fluorescence 48 detector 48 laser beam 47 superlens 47 nanosensor 47 fluoresces 47 halogen lamp 47 ultraviolet UV 47 infra red camera 47 lasers 47 UV lamps 47 microbubbles 47 nm wavelength 47 wavefront 47 diffraction 47 sensor 47 infrared beams 47 microscopy techniques 46 frequency comb 46 fluorescence 46 scanning electron microscope 46 photoluminescence 46 diffraction pattern 46 optical coherence tomography OCT 46 reflective coating 46 electrophoretic 46 X ray beams 46 sensor detects 46 nanocrystal 46 reflective coatings 46 chromophores 46 near infrared spectroscopy 46 spectrophotometer 46 magnifying lens 46 scanning electron microscopy 46 phosphors 46 fluorophores 46 X ray 46 fluorescence imaging 46 florescent light