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Applied Optics

Applied Optics


  • Vol. 42, Iss. 30 — Oct. 20, 2003
  • pp: 6016–6021

Comparison of nonintensified and intensified CCD detectors for laser-induced breakdown spectroscopy

Jorge E. Carranza, Emily Gibb, Ben W. Smith, David W. Hahn, and James D. Winefordner  »View Author Affiliations

Applied Optics, Vol. 42, Issue 30, pp. 6016-6021 (2003)

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The performance and sensitivity of an intensified CCD array system and a nonintensified CCD array detector system are compared for laser-induced breakdown spectroscopy (LIBS). LIBS measurements were recorded in a calcium-based aerosol-seeded gas stream at ambient pressure. The signal-to-noise ratio based on the 393.37-nm calcium emission line was calculated as a function of detector delay with respect to the plasma-initiating laser pulse. Both ensemble-averaging and single-shot spectral analyses were performed. For all conditions, the intensified CCD system provided an enhanced signal-to-noise ratio compared with the nonintensified CCD system.

© 2003 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(300.0300) Spectroscopy : Spectroscopy
(300.6210) Spectroscopy : Spectroscopy, atomic

Original Manuscript: February 17, 2003
Revised Manuscript: June 24, 2003
Published: October 20, 2003

Jorge E. Carranza, Emily Gibb, Ben W. Smith, David W. Hahn, and James D. Winefordner, "Comparison of nonintensified and intensified CCD detectors for laser-induced breakdown spectroscopy," Appl. Opt. 42, 6016-6021 (2003)

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