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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 13 — Jul. 1, 2007
  • pp: 1908–1910

Model for the calculation of radiation trapping and description of the pinhole method

Henning Kühn, Susanne T. Fredrich-Thornton, Christian Kränkel, Rigo Peters, and Klaus Petermann  »View Author Affiliations


Optics Letters, Vol. 32, Issue 13, pp. 1908-1910 (2007)
http://dx.doi.org/10.1364/OL.32.001908


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Abstract

Radiation trapping is a well-known process that results in the lengthening of observed fluorescence lifetimes in laser materials with significant overlap in their emission and absorption spectra. The pinhole method is a measurement technique that allows the intrinsic fluorescence lifetime of an excited state to be determined in a nondestructive manner. A theoretical description of this method is proposed. A model is developed that identifies the lifetime extrapolated to a zero radius pinhole as the intrinsic fluorescence lifetime. The application of this method to bulk materials and thin discs is discussed.

© 2007 Optical Society of America

OCIS Codes
(000.6800) General : Theoretical physics
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(160.3380) Materials : Laser materials
(260.6970) Physical optics : Total internal reflection
(300.6500) Spectroscopy : Spectroscopy, time-resolved

ToC Category:
Spectroscopy

History
Original Manuscript: March 12, 2007
Revised Manuscript: April 27, 2007
Manuscript Accepted: April 27, 2007
Published: June 22, 2007

Citation
Henning Kühn, Susanne T. Fredrich-Thornton, Christian Kränkel, Rigo Peters, and Klaus Petermann, "Model for the calculation of radiation trapping and description of the pinhole method," Opt. Lett. 32, 1908-1910 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-13-1908

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