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Photonics Buyers' Guide > Power Meters
(44 companies)
Power Meters

  • radiometer A device used to measure the intensity of radiant energy.  
  • spectroradiometer An instrument for measuring the radiant energy from a source at each wavelength throughout the spectrum. The spectral regions are separated either by calibrated filters or by a calibrated monochromator. The detector is an energy receiver such as a...
  • photometer A device used to compare the luminous intensities of two sources by comparing the illuminance they produce.