Related by context. Frequent words. (Click for all words.) 71 spectrometers 67 spectroscopic 65 spectrometer 64 radiometer 63 Spectrometer 62 multispectral 62 XMM Newton 61 spectrometry 61 spectroscopy 61 ESO Very Large Telescope 61 infrared spectrometer 61 visible wavelengths 60 optical microscope 60 mass spectrometer 60 infrared 60 interferometer 60 Hubble observations 60 infrared wavelengths 59 solar corona 59 transmission electron microscope 59 optical microscopy 59 Fluorescence 58 synthetic aperture radar 58 imager 58 optical telescopes 58 frequency comb 58 confocal microscopy 58 confocal 58 photometric 58 optical telescope 58 Raman spectroscopy 58 particle detector 58 CCD camera 58 attosecond 58 astronomical observations 58 Spectroscopy 58 InGaAs 58 radar altimeter 58 X ray diffraction 57 interferometry 57 gamma ray 57 transmission electron microscopy 57 wavelengths 57 infrared detectors 57 telescopes 56 Very Large Telescope 56 adaptive optics 56 beamline 56 X ray beam 56 X ray emission 56 absorbance 56 photodetector 56 THEMIS 56 scanning electron microscope 55 ionospheric 55 OSIRIS 55 X ray fluorescence 55 SMOS 55 spectrograph 55 infrared radiation 55 CCDs 55 laser pulses 55 synchrotron radiation 55 COROT 55 photodiodes 55 isotopic 55 spatial resolution 55 ionisation 55 spectrophotometer 55 FT IR 55 fluorescence imaging 54 LIGO 54 magnifications 54 dispersive 54 photodetectors 54 SWNTs 54 spacecraft orbiting 54 spectra 54 Galaxy Evolution 54 telescope 54 XRD 54 infrared spectroscopy 54 scanning tunneling microscope 54 microlensing 54 astronomical objects 54 fluorescence microscopy 54 X ray telescope 54 NASA Cassini spacecraft 54 spatial dimensions 54 Spitzer Space Telescope 54 extrasolar planet 54 diffraction 54 electron density 54 HRSC 54 infrared telescope 53 redshift 53 Pan STARRS 53 transmittance 53 astrophysical 53 MARSIS 53 MALDI