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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 14 — May. 10, 2005
  • pp: 2879–2886

Geometric determination of saturation in fluorescence spectroscopy

Michele Marrocco  »View Author Affiliations


Applied Optics, Vol. 44, Issue 14, pp. 2879-2886 (2005)
http://dx.doi.org/10.1364/AO.44.002879


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Abstract

In laser spectroscopy, saturation of atomic or molecular transitions cannot be ignored, even at modest laser intensities. The saturation status is customarily diagnosed from measurements of saturation curves describing the dependence of spectroscopic signals on laser intensity. I propose an alternative method that relies on a geometric comparison of the spatial laser profile with images of the spectroscopic quantity under investigation. A single image can be used to determine the saturation status and its associated saturation laser intensity.

© 2005 Optical Society of America

OCIS Codes
(260.2510) Physical optics : Fluorescence
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(300.6410) Spectroscopy : Spectroscopy, multiphoton

History
Original Manuscript: February 25, 2004
Revised Manuscript: September 30, 2004
Manuscript Accepted: December 1, 2004
Published: May 10, 2005

Citation
Michele Marrocco, "Geometric determination of saturation in fluorescence spectroscopy," Appl. Opt. 44, 2879-2886 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-14-2879

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