Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

spectrometer




spectrometer
An instrument connected to a telescope that separates the light signals into different frequencies, producing a spectrum. A dispersive spectrometer is like a prism: it scatters light of different energies to different places. A non-dispersive spectrometer measures the energy directly.


Related category

   • SPECTRA AND SPECTROSCOPY