Channeled spectrum display using a CCD array for student laboratory demonstrations

A.G. Podoleanu, S.R. Taplin, David J. Webb, David A. Jackson

Research output: Contribution to journalArticlepeer-review


The channelled spectrum of an optical beam generated by a laser diode operated below threshold after traversing microscope glass plates is spectrally analysed using a grating and a CCD linear array. The experiment has the following goals: to display the resulting channelled spectrum, to familiarize students with an important topic in metrology and to illustrate some interesting topics from spectroscopy using a CCD array as a spectrometer.
Original languageEnglish
Pages (from-to)166-271
Number of pages106
JournalEuropean Journal of Physics
Issue number5
Publication statusPublished - Sept 1994


  • channelled spectrum
  • optical beam
  • laser diode
  • below threshold
  • microscope glass plates
  • CCD linear array
  • metrology
  • spectroscopy
  • spectrometer


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