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Optics Letters

Optics Letters


  • Vol. 25, Iss. 17 — Sep. 1, 2000
  • pp: 1225–1227

Particle counting in the presence of a dominant background by incoherent statistical optics

P. R. Smith and R. Naimimohasses  »View Author Affiliations

Optics Letters, Vol. 25, Issue 17, pp. 1225-1227 (2000)

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Extraction of the mean number of foreground particles that evolve in the presence of an arbitrary background population is achieved by means of a comparative measurement of incoherent scattered intensity fluctuations. Photon-counting experiments are conducted on test particles (latex spheres) that appear in a background population of polydisperse sand particles (Arizona fine, International Organization for Standardization standard 12103). Measurements show recovery of the test particle concentration with an error of less than 10%, despite the presence of the background population that contributes more than 90% of the scattered intensity.

© 2000 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(030.6600) Coherence and statistical optics : Statistical optics
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(290.5850) Scattering : Scattering, particles

P. R. Smith and R. Naimimohasses, "Particle counting in the presence of a dominant background by incoherent statistical optics," Opt. Lett. 25, 1225-1227 (2000)

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