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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 27 — Sep. 20, 1999
  • pp: 5867–5879

Laser-induced incandescence applied to metal nanostructures

Randall L. Vander Wal, Thomas M. Ticich, and Joseph R. West, Jr.  »View Author Affiliations


Applied Optics, Vol. 38, Issue 27, pp. 5867-5879 (1999)
http://dx.doi.org/10.1364/AO.38.005867


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Abstract

Laser-induced incandescence is both characterized and demonstrated for the measurement of metal nanoparticle concentration. Reported are the results of an initial characterization of the spectral and temporal signature of the laser-induced incandescence as a function of the excitation laser fluence and wavelength. Validation of the incandescence as a measure of the concentration is demonstrated by absorption measurements. Fluence dependence measurements are also presented. Double-pulse measurements determine the fluence for the onset of vaporization-induced mass loss. Comparisons between the present observations and those for carbon nanostructures are also made. Metals tested include (in order of increasing vaporization temperature) Fe, Ti, Mo, and W.

© 1999 Optical Society of America

OCIS Codes
(280.1100) Remote sensing and sensors : Aerosol detection
(280.1120) Remote sensing and sensors : Air pollution monitoring
(280.1740) Remote sensing and sensors : Combustion diagnostics
(280.2490) Remote sensing and sensors : Flow diagnostics
(290.2200) Scattering : Extinction
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

History
Original Manuscript: January 13, 1999
Revised Manuscript: May 12, 1999
Published: September 20, 1999

Citation
Randall L. Vander Wal, Thomas M. Ticich, and Joseph R. West, "Laser-induced incandescence applied to metal nanostructures," Appl. Opt. 38, 5867-5879 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-27-5867

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