Related by context. Frequent words. (Click for all words.) 62 millimeter wave 60 terahertz waves 60 photon counting 60 Millimeter Wave 60 scintillator 58 photonic components 58 X ray detector 57 THz radiation 57 non ionizing 57 photodetector 57 interferometric 57 GaN HEMT 57 millimeter wave machines 57 Backscatter 56 #nm wavelength [001] 56 x ray imaging 56 Gallium Nitride 56 backscatter 56 chemiluminescence 56 VCSELs 56 InGaAs 56 radiofrequency RF 56 sensor arrays 55 Passive RFID 55 microwatts 55 microwave frequencies 55 electromagnetic EM 55 microwave radiation 55 terahertz radiation 55 Raman scattering 55 PET positron emission tomography 55 waveband 55 vertical cavity 54 near infrared NIR 54 tomographic 54 Synthetic Aperture Radar 54 optical modulator 54 #.# MHz [002] 54 photodetectors 54 piezo electric 54 Detection RTD high 54 SWIR 54 electroluminescence 54 photonic devices 54 quantum cascade laser 53 backscatter X ray 53 transmitters receivers 53 scanning electron microscopes 53 stimulated emission 53 submillimeter 53 infrared 53 microelectronic components 53 frequency RF 53 concentrated photovoltaic CPV 53 analog baseband 53 terahertz 53 computed tomography SPECT 53 X ray detectors 53 tunable lasers 53 leakage currents 53 interferometers 53 microsensors 53 infrared wavelength 52 Near Infrared 52 Spectrometers 52 QT# [002] 52 photometer 52 radiometer 52 RF amplifiers 52 tunable laser 52 Terahertz 52 Gamma ray 52 bipolar transistors 52 surface plasmon resonance 52 pulse width modulation 52 ultra capacitor 52 circular polarization 52 transceiver modules 52 patented Z Backscatter 52 micro optics 52 milliwatt 52 plasmon 52 corrosive abrasive 52 piezoelectric materials 52 opto electronic 52 sensors actuators 52 FT IR 52 micromechanical 51 X ray beam 51 x ray beam 51 indium phosphide 51 RuBee 51 integrated circuits IC 51 Light Detection 51 Spread Spectrum 51 opto 51 shorter wavelengths 51 collimated 51 directional antennas 51 UHF frequencies 51 #.#GHz [001]