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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 30 — Oct. 20, 2003
  • pp: 6072–6077

Geiger photodiode array for compact, lightweight laser-induced breakdown spectroscopy instrumentation

Richard A. Myers, Arieh M. Karger, and David W. Hahn  »View Author Affiliations


Applied Optics, Vol. 42, Issue 30, pp. 6072-6077 (2003)
http://dx.doi.org/10.1364/AO.42.006072


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Abstract

The development of a unique spectrometer based on an array of Geiger photodiodes has been shown to enhance the performance of laser-induced breakdown spectroscopy (LIBS) instrumentation. These compact, silicon-based detectors eliminate the need for postamplification electronics, allow for the detection of single photons at room temperature, and do not require complex gating-timing circuitry. The detectors have dark-count rates of <500 Hz at room temperature and a good response from the UV to the near IR. Their high sensitivity makes them candidates for standoff analysis as part of a LIBS spectrum analyzer.

© 2003 Optical Society of America

OCIS Codes
(040.1240) Detectors : Arrays
(040.5160) Detectors : Photodetectors
(140.3440) Lasers and laser optics : Laser-induced breakdown

History
Original Manuscript: January 17, 2003
Revised Manuscript: May 28, 2003
Published: October 20, 2003

Citation
Richard A. Myers, Arieh M. Karger, and David W. Hahn, "Geiger photodiode array for compact, lightweight laser-induced breakdown spectroscopy instrumentation," Appl. Opt. 42, 6072-6077 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-30-6072

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