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Broad-band multispectral microscope for imaging transmission spectroscopy employing an array of light-emitting diodes

Author:
  • Mikkel Brydegaard
  • Zuguang Guan
  • Sune Svanberg
Publishing year: 2009
Language: English
Pages: 104-110
Publication/Series: American Journal of Physics
Volume: 77
Issue: 2
Document type: Journal article
Publisher: American Association of Physics Teachers

Abstract english

Optical spectral analysis and multispectral imaging provide powerful means for characterizing samples in a wide variety of applications and on many spatial scales. We present a simple implementation of these techniques in the context of microscopy. A modified commercial microscope equipped with a CMOS imaging detector, combined with an array of light emitting diodes with emission ranging from ultraviolet to near-infrared wavelengths, is described, and examples of information enhancement using multivariate analysis are presented.

Keywords

  • Atom and Molecular Physics and Optics
  • infrared spectroscopy
  • CMOS image sensors
  • light emitting diodes
  • optical microscopy
  • ultraviolet spectroscopy
  • physics education
  • visible spectroscopy
  • SoTL

Other

Published
  • ISSN: 0002-9505
Mikkel Brygdegaard
E-mail: mikkel.brydegaard [at] forbrf.lth.se

Associate senior lecturer

Combustion Physics

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