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• Fibre multi-object spectrograph
  ...to the bright OH-lines. This spectrum is then re-imaged through a second [[diffraction grating]] to allow the full spectrum (without the OH lines) to be imaged on
  2 KB (288 words) - 14:51, 10 December 2011
• Spectrometer
  [[Image:Optical spectrometers.png|thumb|right|Comparison of different diffraction based spectrometers: Reflection optics, refraction optics, fiber optics]] ...tions marking wavelengths of light. Modern spectroscopes generally use a [[diffraction grating]], a movable [[Single-slit#Single-slit_diffraction|slit]], and some
  11 KB (1,486 words) - 14:51, 10 December 2011

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