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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 22 — Aug. 1, 2012
  • pp: 5458–5463

Free of reabsorption upper-state lifetime measurements by the method of transient gratings

Ivan G. Kisialiou  »View Author Affiliations


Applied Optics, Vol. 51, Issue 22, pp. 5458-5463 (2012)
http://dx.doi.org/10.1364/AO.51.005458


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Abstract

Light reabsorption and radiation trapping can noticeably distort fluorescence decay in solid-state laser gain media with a partial overlap of absorption and emission bands. In this paper, the upper-state lifetime measurements in laser materials by the method of transient gratings are discussed. A theoretical model for description of reabsorption in a thin layer is developed. It is shown that under certain conditions reabsorption has no effect on the transient time of refractive index grating and thus the true upper-state lifetime can be measured. Some experimental results confirming effectiveness of the technique are presented.

© 2012 Optical Society of America

OCIS Codes
(000.6800) General : Theoretical physics
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(160.3380) Materials : Laser materials
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(190.2055) Nonlinear optics : Dynamic gratings

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 3, 2012
Revised Manuscript: June 20, 2012
Manuscript Accepted: June 20, 2012
Published: July 27, 2012

Citation
Ivan G. Kisialiou, "Free of reabsorption upper-state lifetime measurements by the method of transient gratings," Appl. Opt. 51, 5458-5463 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-22-5458

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