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(Click for frequent words.) 77 wavelength 73 optical wavelengths 73 infrared wavelengths 70 visible wavelengths 68 ultraviolet wavelengths 68 infrared wavelength 68 shorter wavelengths 67 photons 65 fluorophores 64 UV wavelengths 64 wavelength infrared 63 X ray wavelengths 63 laser pulses 63 lightwaves 63 infrared radiation 63 spectra 62 fainter objects 62 diffract 62 backscattered 62 diffracted 62 photon energies 62 laser pulse 61 infrared 61 microwave frequencies 61 X ray pulses 61 photons emitted 61 terahertz waves 60 redshift 60 photon 60 redshifts 60 millimeter wavelengths 60 shorter wavelength 60 gamma rays 60 submillimeter wavelengths 60 femtosecond pulses 59 Doppler shifts 59 fluorescence 59 pulsed lasers 59 absorption spectra 59 THz radiation 59 keV 59 fluorescent probes 59 spectral bands 58 diffraction pattern 58 diffraction patterns 58 waveband 58 infrared photons 58 X ray emission 58 refractive indices 58 evanescent waves 58 IR wavelengths 58 ultraviolet 58 x ray beams 58 QCLs 58 polarimetry 58 circularly polarized light 57 nm wavelength 57 electron neutrinos 57 AGNs 57 collimators 57 photodetector 57 nanometer wavelength 57 plasmons 57 micron wavelength 57 terahertz frequencies 57 gamma ray emission 57 spectrographs 57 femtoseconds 57 interferometry 57 interferometer 57 distant galaxies 57 photodiode 57 photocurrent 57 wavelength lasers 57 intensities 57 #nm #nm [001] 57 DWDM wavelengths 57 GRBs 56 x ray beam 56 diffraction 56 distant quasars 56 fluorescent dyes 56 photonic crystal 56 brightnesses 56 photodiodes 56 spectroscopic measurements 56 X ray photons 56 waveguides 56 nuclei 56 photons particles 56 optical fibers 56 THz waves 56 picoseconds 56 photonic crystals 56 luminous galaxies 56 solar corona 56 #nm laser [001] 56 Raman scattering 56 multiwavelength 56 rubidium vapor 56 terahertz 56 terahertz radiation 56 frequencies 56 surface plasmons 56 LWIR 56 interferometers 55 GeV 55 submillimeter 55 subwavelength 55 spectral 55 helium atoms 55 infrared ultraviolet 55 IR LEDs 55 single photon detectors 55 near infrared NIR 55 sodium atoms 55 photon fluorescence 55 emission wavelength 55 wavelength tunability 55 resonance frequency 55 Gamma rays 55 particle sizes 55 astronomical objects 55 cosmological distances 55 amplitudes 55 circular polarization 55 nonlinear optical 55 unpolarized 55 detect gamma rays 55 magnetic fields 55 spatial resolution 55 diffraction limit 55 afterglows 55 gamma ray flares 55 X ray beam 55 frequency comb 55 THz 55 millisecond pulsars 55 electromagnetic spectrum 55 electron beams 55 nanopillars 55 sidebands 55 multiphoton 55 airglow 55 linearly polarized 55 frequency electromagnetic waves 55 picosecond 55 silicon waveguide 55 MeV 55 collimated 54 microcavities 54 sub millimeter wavelengths 54 laser excitation 54 electron spins 54 entangled photons 54 #nm #nm [002] 54 fluorescent molecules 54 millimeter wavelength 54 atoms 54 photon counting 54 cm -1 54 bandgaps 54 spectral fingerprint 54 KBOs 54 chromophores 54 semiconductor nanocrystals 54 resonant frequencies 54 bandwidths 54 spectroscopic 54 #nm wavelength [001] 54 redshifted 54 ESO VLT 54 photodetectors 54 photometry 54 photon detection 54 polarizing filters 54 waveguide 54 wavebands 54 Photons 54 PIN diode 54 UV light 54 gamma ray 54 absorbance 54 Terahertz 54 ultraviolet light 54 ultraviolet wavelength 54 spectrally 54 Cherenkov radiation 54 photosphere 54 ultrashort pulses 54 ultrafast pulses 54 tunable 54 scanning electron microscopes 54 Lyman alpha 54 ARPES 54 wavelength ultraviolet 54 nanoantennas 53 absorption coefficient 53 diffracting 53 nanosecond pulses 53 horizontally polarized 53 dipole moment 53 radiometer 53 diffraction gratings 53 microlenses 53 plasmon 53 foreground galaxy 53 attoseconds 53 photoluminescence 53 quantum dots 53 helium ions 53 ultraviolet laser 53 bandgap 53 circularly polarized 53 excitons 53 metallicity 53 #nm laser [002] 53 RGB LEDs 53 Adaptive optics 53 RRATs 53 solitons 53 photometer 53 intrinsic brightness 53 Fabry Perot 53 radiometers 53 fluoresce 53 EVLA 53 exciton 53 emission spectra 53 linewidth 53 electron volts eV 53 VLTI 53 quasar 53 X ray telescopes 53 X ray beams 53 passband 53 optical telescopes 53 galaxies 53 UV VIS 53 molecules 53 infrared telescopes 53 quasars 53 chlorophyll molecules 53 spectral signature 53 InGaAs 53 occultations 53 Saturn magnetosphere 53 submillimetre wavelengths 53 electroluminescence EL 53 spherical particles 53 neutrons 53 ultrashort laser pulses 53 Mpc 53 micrometres 53 brightness 53 Spitzer infrared 53 Near Infrared 53 emits photons 53 chiral molecules 53 RGB pixels 53 fluorescence emission 53 infrared spectrometers 53 arcseconds 53 infrared LEDs 52 VCSELs 52 microcavity 52 heterojunctions 52 Josephson junction 52 meV 52 UVB radiation 52 fluorescing 52 relativistic particles 52 gravitational lens 52 pulsed laser 52 wavelength tunable 52 hydrogen atoms 52 VCSEL 52 polaritons 52 blazars 52 dye molecules 52 kVp 52 isotropic 52 confocal microscopy 52 refract light 52 angstroms 52 gamma ray telescopes 52 nanostars 52 omnidirectional antennas 52 mRNA molecules 52 electrons 52 nanocrystals 52 LiNbO3 52 illuminance 52 reflectance 52 cosmic ray particles 52 excitation wavelengths 52 blazar 52 μm 52 circular polarized 52 periodicities 52 energetic electrons 52 tau neutrinos 52 fluorescence microscope 52 energetic gamma rays 52 speckle pattern 52 parasitic capacitances 52 electron volts 52 masers 52 galaxy clusters 52 distant supernovae 52 photon absorption 52 colloidal crystals 52 cosmic ray 52 earthshine 52 polariton 52 CMB radiation 52 luminosities 52 Michelson interferometer 52 spectrometer 52 MG J# +# 52 phonon 52 confocal microscope 52 coronagraph 52 fs pulses 52 VISTA telescope 52 attosecond pulses 52 infrared spectra 52 nanocages 52 pulse durations 52 frequency combs 52 wavelength division multiplexing 52 UV photons 52 reflection nebula 52 absorption spectroscopy 52 wavelength UV 52 microwave radiation 52 gamma ray photons 52 photoemission 52 multispectral 52 Circinus X 1 52 UVB 52 XMM Newton 52 Type Ia supernovae 52 CMOS transistors 52 filamentary structure 52 auroral 52 oscillation frequency 51 quantum mechanically 51 spectroscopic observations 51 emit photon 51 beam splitter 51 tunable lasers 51 resonant frequency 51 linearly polarized light 51 pulsed laser beam 51 nm spectral 51 HD#b 51 phototransistors 51 phonons 51 photolysis 51 spectroscopy 51 HM Cancri 51 lensing galaxy 51 helium nuclei 51 UVOT 51 optical spectra 51 EDFAs 51 refractive index 51 ultracold atoms 51 diffraction grating 51 Terahertz radiation 51 distant quasar 51 millimeter wave frequency 51 excitation 51 infrared spectral 51 THz frequencies 51 nanometers 51 attosecond 51 ring resonators 51 micrometre 51 MWIR 51 voltages 51 x ray pulses 51 backscattering 51 laser irradiation 51 GALEX 51 transfer FRET 51 fluorescent nanoparticles 51 Carina constellation 51 gamma ray bursts 51 Angstroms 51 orbital angular momentum 51 arcminutes 51 Gamma ray 51 collimator 51 photonic bandgap 51 comet nucleus 51 photomultiplier tubes 51 surface plasmon 51 magnetization 51 polarimeter 51 filaments 51 synthetic aperture 51 VLBA 51 Ultraviolet light 51 spectral characteristics 51 terahertz THz 51 reflectance spectroscopy 51 ionized gases 51 magnifications 51 tunability 51 SINFONI 51 inhomogeneous 51 novae 51 neutrino particles 51 demodulate 51 detector arrays 51 spectroscope 51 active galactic nuclei 51 metamaterial 51 hydroxyl molecules 51 submillimetre 51 NIRSpec 51 supersymmetric particles 51 emit photons 51 quantum dot 51 Photonic crystals 51 linear polarization 51 gamma ray burst 51 directional antennas 51 CMB photons 51 spectrometers 51 dispersive 51 arcsecond 51 optical 51 Epsilon Aurigae 51 refracts light 51 eclipsing binary 51 analyte 51 Geminga 51 photon detector 51 WFC3 51 photonic devices 51 analytes 51 RXTE 51 spectroscopic techniques 51 morphologies 51 dipoles 51 electronic excitations 51 X ray observatories 51 microlens 51 positrons 51 STEREO spacecraft 51 elliptical galaxies 51 Gbits sec 50 interferometric 50 antiparticles 50 panchromatic 50 micrometers 50 bosonic 50 birefringence 50 #nm wavelength [002] 50 antiparticle 50 prominences 50 gamma rays emitted 50 vertically polarized 50 transiting planet 50 galactic cosmic rays 50 superconducting qubits 50 photosynthetic pigments 50 dopant 50 photobleaching 50 Entangled photons 50 collimated beam 50 filamentary 50 ganglion cells 50 dI dV 50 pointings 50 terahertz frequency 50 phototransistor 50 baryon 50 autofluorescence 50 reflectivity 50 luminosity 50 gamma ray detectors 50 galactic disk 50 Spectrograph 50 VHE gamma rays 50 opsins 50 bilayer graphene 50 optically pumped 50 SQUIDs 50 monochromator 50 5μm 50 fluorescent proteins 50 muons 50 superluminal 50 electron bunches 50 aerosol particles 50 neutrinos 50 laser beams 50 Jupiter magnetosphere 50 micrometer scale 50 AB Aurigae 50 neutral mass spectrometer 50 infrared emitters 50 magnetospheres 50 spectroscopic technique 50 Type Ia supernovas 50 transiting planets 50 inhomogeneities 50 bacterial genomes 50 Raman spectroscopic 50 dopants 50 refract 50 absorbs ultraviolet 50 biosignatures 50 nanodot 50 coronal loop 50 scintillator 50 telescopes 50 absorbs photons 50 submillimeter wavelength 50 input impedance 50 spectral measurements 50 metallic nanostructures 50 ionise 50 Wavelengths 50 DFB lasers 50 nm wavelengths 50 high redshift galaxies 50 chemiluminescence 50 #.#GHz [001] 50 frequency harmonics 50 zinc selenide 50 velocity dispersion 50 lightwave 50 anisotropy 50 FWHM 50 Cepheids 50 photon flux 50 Saturn auroras 50 supernova remnant 50 infrared laser 50 Cosmic rays 50 odorants 50 fluorescence intensity 50 lens tints 50 emitted photons 50 metamaterials 50 plasmonic 50 magnetosphere 50 micrometre sized 50 spectroscopic analysis 50 supercontinuum 50 muon neutrinos 50 Mercury exosphere 50 SWNTs 50 HD# [005] 50 cosmic rays 50 X ray binaries 50 femtosecond 50 bolometers 50 microscopy techniques 50 nanodots 50 infrared laser beam 50 Bessel beam 50 quantum correlations 50 X ray spectroscopy 50 WFPC2 50 nanoprobes 50 femtosecond laser pulses 50 surface plasmon resonance 50 retinal ganglion cells 50 photon beams 50 gravitationally lensed 50 emissivity 50 diffuse aurora 50 beam splitters 50 μm wavelength 50 supergiant star 50 emittance 50 CCDs 50 Comet Holmes 50 infrared rays 50 resonance frequencies 50 ultrafast lasers 50 InGaN LEDs 50 optical microscopes 49 hyperspectral imager 49 #μm [002] 49 microns 49 highly collimated 49 weak gravitational lensing 49 numerical aperture 49 nanoantenna 49 resonators 49 axions 49 radioactive tracers 49 spectral fingerprints 49 radial velocities 49 nanomagnets 49 Red Rectangle 49 absorb photons 49 electromagnetic flux 49 conformations 49 star Gliese 49 rubidium atom 49 faint galaxies 49 intracluster 49 longwave 49 spicules 49 Raman spectra 49 HD #b [002] 49 omni directional antenna 49 single photon detector 49 constellation Centaurus 49 Rayleigh scattering 49 terahertz rays 49 galaxy cluster 49 Hubble observations 49 optical amplifiers 49 CWDM wavelengths 49 gravitational radiation 49 resonant cavity 49 infrared imager 49 superposed 49 plasmonic devices 49 fluorescence spectroscopy 49 micromirrors 49 femtosecond pulse 49 modulation schemes 49 electrons emitted 49 demultiplexing 49 X ray binary 49 Doppler shift 49 hydrogens 49 wave infrared SWIR 49 optical microscopy 49 baryon acoustic oscillations 49 hyperlens 49 SAXS 49 superlenses 49 optical wavelength 49 fluorescent dye 49 electromagnetic waves 49 chlorophyll fluorescence 49 magnetic excitations 49 polarizations 49 sized planets orbiting 49 magnetic flux 49 m z 49 wavefront distortion 49 chromophore 49 electron 49 Raman amplification 49 unpolarized light 49 x ray scattering 49 modulation formats 49 beamwidth 49 tunable DWDM 49 Alfven waves 49 specular reflectance 49 Small Magellanic Cloud 49 tunable laser 49 electrical resistivity 49 cometary material 49 silicate dust 49 Saturn aurora 49 electron diffraction 49 magnetisation 49 nanomesh 49 Evolution Explorer 49 electron density 49 absorbs photon 49 fluorescence spectra 49 Very Large Telescope 49 Alfvén waves 49 apertures 49 laser speckle 49 amplitude modulation 49 photomultiplier 49 mT 49 ionized gas 49 superlens 49 photostable 49 micrometer 49 gravitational lensing 49 transmittance 49 conductance 49 emit X rays 49 photonic circuits 49 correlation spectroscopy 49 magnetars 49 qubit 49 #nm #nm [003] 49 Raman lasers 49 bistable 49 Millimeter wave 49 quasiparticle 49 Gravitational waves 49 antineutrinos 49 infra red radiation 49 neutrino 49 photochemistry 49 planetary nebulae 49 Fomalhaut b 49 astrophysical objects 49 spatial dimensions 49 synchrotron emission 49 Tunable lasers 49 Corot 9b 49 spatial scales 49 melanopsin 49 rubidium atoms 49 diffractive 49 magnetotail 49 polarizing filter 49 Cepheid variables 49 pentacene molecule 49 fluorescent dye molecules 49 WASP #b 49 optical modulator 49 Electromagnetic waves 49 femtosecond lasers 49 refraction 49 nanosecond pulse 49 tunable filters 49 erbium 49 stellar occultation 49 frequency modulation 49 irradiance 49 excitation wavelength 49 BECs 49 #nm [003] 49 Type Ia supernova 49 spiral galaxies 49 optical modulators 49 paramagnetic 49 Antennae Galaxies 49 HEMTs 49 quadrillionths 49 fluorophore 49 dynamical processes 49 excitations 49 galaxy redshift 49 dwarf spheroidal galaxies 49 inelastic scattering 49 breakdown voltages 49 RS Ophiuchi 49 nucleon 49 qdots 49 linewidths 48 dwarf galaxies 48 microstructures 48 Arches Cluster 48 W boson 48 polarization multiplexed 48 characteristic impedance 48 trimers 48 Keck telescope 48 donor acceptor 48 infra red 48 silicon waveguides 48 nanometers billionths 48 parabolic reflectors 48 fluoresces 48 bend electromagnetic radiation 48 quantum cascade 48 hexagonal mirrors 48 planet orbits 48 channel bandwidths 48 exoplanets orbiting 48 lasing wavelength 48 ionised gas 48 Indium Phosphide 48 Veil Nebula 48 imaging spectrometer 48 fluorescence excitation 48 2nm 48 planetary nebulas 48 ENAs 48 UVIS 48 deformable mirror 48 elongated orbits 48 interstellar medium 48 particles WIMPs 48 planets orbits 48 infrared IR 48 Coma Cluster 48 fluorescence resonance energy 48 collinear 48 W bosons 48 starburst galaxies 48 thermal infrared 48 qubits 48 photonic 48 neutron beam 48 starlight 48 multiband imaging photometer 48 Bose Einstein condensates 48 orbits 48 ultrabright 48 vibrational modes 48 unaided eye 48 polystyrene spheres 48 photoelectron 48 FRET 48 supercurrent 48 electronvolts 48 photocatalysts 48 amplitude modulated 48 dopant atoms 48 cosmic gamma rays 48 beamline 48 oxygen atoms 48 radiofrequency waves 48 photon microscopy 48 interstellar dust clouds 48 stimulated emission 48 spatially resolved 48 xenon lamp 48 neutron radiation 48 nm excitation 48 Bragg grating 48 Fourier transform 48 exoplanet orbiting 48 rhodopsin 48 isotopic ratios 48 Erbium 48 interstellar clouds 48 arrays 48 phosphors 48 luciferin 48 electron flux 48 photon microscope 48 laser beam 48 WIMPs 48 luminescence 48 photocells 48 UHF frequency 48 excites electrons 48 HARPS instrument 48 Ultra violet 48 distant galaxy 48 electron volt 48 resonator 48 optically transparent 48 specular reflection 48 interferometric observations 48 frequency VLF 48 PWM frequency 48 capacitances 48 olfactory neurons 48 nucleons 48 photonic crystal fibers 48 PIN photodiode 48 Laser diodes 48 Gamma ray bursts 48 ionosphere 48 metamaterial antennas 48 pulsars 48 electron pairs 48 silicon monoxide 48 nightglow 48 circumstellar 48 tropospheric 48 quantum cascade lasers 48 alpha particles 48 supercontinuum generation 48 nanocrystal 48 quantum superposition 48 shortwave infrared 48 optically 48 ion traps 48 J# +# [002] 48 SDH STM 48 antiprotons 48 sub picosecond 48 blackbody 48 chlorosomes 48 quantum dot lasers 48 electromagnetic frequencies 48 ions 48 VIRTIS 48 serial EEPROMs 48 hadron 48 negative refraction 48 multimode fiber 48 microelectrodes 48 semiconducting materials 48 Beta Pictoris b 48 refractors 48 magnon 48 photon pairs 48 tunable optical 48 harmful ultraviolet 48 photosystems 48 GROND 48 cosmological parameters 48 NICMOS 48 6GHz 48 directional antenna 48 muon 48 fluorescent molecule 48 microcantilevers 48 LOFAR 48 nanotags 48 millisecond pulsar 48 T#/E# circuits 48 chlorophylls 48 optical waveguides 48 #nm wavelengths 48 ps nm 48 organic molecules 48 Microlensing 48 wavelength multiplexing 48 indium gallium arsenide InGaAs 48 ferromagnet 48 monochromators 48 ultra violet UV 48 orthogonal directions 48 celestial object 48 highly elliptical orbits 48 gravitational redshift 48 photoactivation 48 microlensing events 48 porphyrins 48 nanogels 48 crystallites 48 microns millionths 48 Cosmic Microwave Background CMB 48 spectroscopically 48 infrared laser pulses 48 beamsplitters 48 terahertz pulses 48 auroras 48 trichromatic vision 48 UV radiation 48 fluorescence detection 48 SN #A 47 fluorescence imaging 47 induced fluorescence 47 subcarriers 47 optical lattice 47 Tunable 47 radiative 47 molecular orbitals 47 solar radii 47 phytochrome 47 superpositions 47 silicone encapsulation 47 SSRL 47 lattice spacing 47 Epsilon Eridani 47 nanochannels 47 LORRI 47 deformable mirrors 47 electromagnetic radiations 47 dichroic 47 hydrogen nuclei 47 surface plasmon polariton 47 HII regions 47 velocities 47 QDs 47 planetary transits 47 photothermal 47 electron diffusion 47 constellation Aquarius 47 pulses 47 photochemical reactions 47 pixels 47 photosensors 47 unicellular organisms 47 particles 47 aluminum arsenide 47 orbitals 47 phosphorus atoms 47 luminous flux 47 SIRTF 47 astrophysical phenomena 47 geosynchronous satellites 47 KH #D 47 interferometric technique 47 bipolar transistor 47 GRB# 47 widefield 47 Andromeda galaxy 47 baryonic matter 47 volcanic plumes 47 infrared spectrums 47 synchrotron x ray 47 nanotube 47 luminance 47 gigabits sec 47 fluorescence microscopy 47 nebula 47 tungsten halogen 47 colloidal quantum dots