Related by context. Frequent words. (Click for all words.) 71 interferometric 68 interferometry 68 spectroscopic 68 optical wavelengths 66 spectrographs 65 spectrometry 65 photoluminescence 65 multispectral 65 spectroscopy 65 photometry 64 ultraviolet wavelengths 64 radiometer 64 photometer 64 frequency comb 63 near infrared NIR 63 VIRTIS 63 interferometers 62 solar corona 62 shorter wavelengths 62 Raman spectroscopy 61 spectrometers 61 optical microscopy 61 InSAR 61 infrared 61 FT IR 61 Keck telescope 60 elemental composition 60 OSIRIS 60 Hubble observations 60 ESO Very Large Telescope 60 Mini SAR 60 Ultrafast 60 radial velocity 60 redshifts 60 infrared wavelengths 60 X ray emission 60 electron spins 60 XMM Newton 60 fluorescent probes 60 confocal microscopy 60 spatial resolution 59 planetary nebulae 59 COROT 59 optical telescopes 59 astronomical objects 59 confocal microscope 59 attosecond 59 tropospheric 59 infrared spectroscopy 59 laser pulses 59 isotropic 59 Fluorescence 59 WFC3 59 spectra 59 optical microscopes 59 hyperspectral 59 optical coherence tomography OCT 58 photometric 58 Spectroscopy 58 nanomechanical 58 interferometer 58 photodetector 58 gravitational lensing 58 electromagnetic EM 58 Remote sensing 58 HiRISE camera 58 spectrometer 58 Cepheids 58 VLBI 58 auroral 58 neutron scattering 58 visible wavelengths 58 anisotropy 58 wavelengths 58 polar vortex 58 synthetic aperture radar 58 Adaptive Optics 58 ionospheric 57 microwave frequencies 57 transmission electron microscopy 57 femtosecond 57 redshift 57 VLBA 57 scanning electron microscope 57 keV 57 scanning electron microscopy 57 confocal 57 MARSIS 57 infrared radiation 57 microlensing 57 FRET 57 TerraSAR X 57 radar altimeter 57 absorbance 57 Spectrometer 57 negative refraction 56 distant galaxies 56 MODIS 56 Terahertz 56 cosmic microwave background 56 Type Ia supernovae