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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 10 — Apr. 1, 1999
  • pp: 2059–2067

Photon cross-correlation spectroscopy to 10-ns resolution

Giuseppe Chirico and Marco Gardella  »View Author Affiliations


Applied Optics, Vol. 38, Issue 10, pp. 2059-2067 (1999)
http://dx.doi.org/10.1364/AO.38.002059


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Abstract

We describe a low-cost modification based on the research of Arecchi et al. [Opt. Commun. 3, 284–288 (1971)] on a standard photon correlation spectroscopy setup for measuring small (≃1%) and fast (resolution, ≃10 ns) light fluctuations. Details of the electronics and optics permit the apparatus to be easily reproduced. Careful tests show that spurious correlations of ≤1% can be achieved with standard detectors only when taking precautions with the electronics. Moreover, measurements on latex spheres, ellipsoids, and protein solutions show that fast and very small light fluctuations (≃1-5%) can be studied versus scattering vector and light polarization.

© 1999 Optical Society of America

OCIS Codes
(040.5250) Detectors : Photomultipliers
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(290.1990) Scattering : Diffusion
(290.5850) Scattering : Scattering, particles

History
Original Manuscript: June 1, 1998
Revised Manuscript: October 5, 1998
Published: April 1, 1999

Citation
Giuseppe Chirico and Marco Gardella, "Photon cross-correlation spectroscopy to 10-ns resolution," Appl. Opt. 38, 2059-2067 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-10-2059

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