Related by context. Frequent words. (Click for all words.) 50 Pulsed 49 MeV 49 radiometer 49 Tunable 48 SQUID 48 COIL 47 infrared IR 47 photometer 46 Fluorescence 46 ionisation 46 Airborne Laser 46 diode pumped 46 InGaAs 46 pulsed laser 45 diffractive 45 spectrometry 45 Raman spectroscopy 45 ion beam 45 X ray beam 45 dispersive 44 excitation 44 photometric 44 Electrostatic 44 laser ablation 44 uncooled 44 VLBA 44 photodetectors 44 AMRAAM 43 interferometry 43 scintillation 43 H#O# 43 multispectral 43 keV 43 laser pulses 43 pulsed 43 Active Denial System 43 Gamma rays 43 electron beam 43 spectroscopy 43 X ray fluorescence 43 ionised 43 photodiode 43 spectrometers 42 waveguide 42 Neodymium 42 infrared laser 42 spectrally 42 frequency comb 42 reflectivity 42 electron beams 42 lasing 42 laser 42 photodetector 42 particle beam 42 vibration isolation 42 waveguides 41 diffraction 41 irradiance 41 optical microscopy 41 femtosecond laser 41 multiband 41 VCSEL 41 #μm [002] 41 infrared 41 nm wavelength 41 Volumetric 41 imager 41 synchrotron radiation 41 electron laser 40 venturi 40 infrared beam 40 interferometer 40 Ultra Wide 40 alpha particles 40 refractive index 40 microwave frequencies 40 tunable 40 terahertz 40 picosecond 40 electron density 40 photometry 40 Extended Range 40 fluorophores 40 Projectile 40 ultrasonics 40 THz 40 #GHz [001] 40 gamma ray 40 ionization 39 atmospheric turbulence 39 laser beam 39 signal analyzers 39 resonator 39 spectrometer 39 infra red 39 lasers 39 ultrasonic waves 39 X ray beams 39 infrared rays 39 neutron 39 resonators