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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 4 — Feb. 1, 2009
  • pp: B126–B136

Classification and selective collection of individual aerosol particles using laser-induced fluorescence

Vasanthi Sivaprakasam, Timothy Pletcher, John E. Tucker, Alan L. Huston, Joseph McGinn, David Keller, and Jay D. Eversole  »View Author Affiliations


Applied Optics, Vol. 48, Issue 4, pp. B126-B136 (2009)
http://dx.doi.org/10.1364/AO.48.00B126


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Abstract

We describe the development and performance evaluation of a system for optical interrogation, subsequent selection, and collection of individual aerosol particles entrained in an inlet air stream. Elastic scatter and laser-induced fluorescence obtained from single particles on-the-fly provide compositional information for classification criteria. Individual particles could then be selectively electrically charged and captured to a conductive substrate with an electric potential. The optical subsystem also includes a novel two-beam velocimeter to provide accurate downstream timing. Good overall quantitative performance values are reported for particles in the size range of 1 8 μm at mean rates up to 4 kHz .

© 2009 Optical Society of America

OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(290.5850) Scattering : Scattering, particles
(300.2530) Spectroscopy : Fluorescence, laser-induced
(280.1415) Remote sensing and sensors : Biological sensing and sensors

History
Original Manuscript: July 15, 2008
Revised Manuscript: November 26, 2008
Manuscript Accepted: December 1, 2008
Published: December 24, 2008

Citation
Vasanthi Sivaprakasam, Timothy Pletcher, John E. Tucker, Alan L. Huston, Joseph McGinn, David Keller, and Jay D. Eversole, "Classification and selective collection of individual aerosol particles using laser-induced fluorescence," Appl. Opt. 48, B126-B136 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-4-B126


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