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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1836–1845

Infrared hyperspectral imaging using a broadly tunable external cavity quantum cascade laser and microbolometer focal plane array

Mark C. Phillips and Nicolas Hô  »View Author Affiliations

Optics Express, Vol. 16, Issue 3, pp. 1836-1845 (2008)

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A versatile mid-infrared hyperspectral imaging system is demonstrated by combining a broadly tunable external cavity quantum cascade laser and a microbolometer focal plane array. The tunable midinfrared laser provided high brightness illumination over a tuning range from 985 cm-1 to 1075 cm-1 (9.30–10.15 µm). Hypercubes containing images at 300 wavelengths separated by 0.3 cm-1 were obtained in 12 s. High spectral resolution chemical imaging of methanol vapor was demonstrated for both static and dynamic systems. The system was also used to image and characterize multiple component liquid and solid samples.

© 2008 Optical Society of America

OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3600) Lasers and laser optics : Lasers, tunable
(300.6340) Spectroscopy : Spectroscopy, infrared
(110.4234) Imaging systems : Multispectral and hyperspectral imaging
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Imaging Systems

Original Manuscript: December 14, 2007
Revised Manuscript: January 18, 2008
Manuscript Accepted: January 18, 2008
Published: January 25, 2008

Mark C. Phillips and Nicolas Ho, "Infrared hyperspectral imaging using a broadly tunable external cavity quantum cascade laser and microbolometer focal plane array," Opt. Express 16, 1836-1845 (2008)

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