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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry Van Driel
  • Vol. 26, Iss. 4 — Apr. 1, 2009
  • pp: 691–698

Transient fluorescence spectroscopy of terbium doped dipicolinic acid: a fluorescence lifetime measurement technique

Anali Makoui and Dennis K. Killinger  »View Author Affiliations

JOSA B, Vol. 26, Issue 4, pp. 691-698 (2009)

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An innovative fluorescence lifetime technique, called transient fluorescence spectroscopy, has been developed and applied toward the determination of the fluorescence lifetimes (a value near 1 ms ) of terbium doped dipicolinic acid (DPA-Tb). This different lifetime measurement technique uses a high-pulse-repetition-frequency ( 8 kHz ) pulsed UV laser excitation source and a slow modulated chopper ( 50 to 1000 Hz ) to produce the modulated emission intensity from the DPA-Tb, and compares these to a theoretical transient solution of the population rate equations for the DPA-Tb energy levels. Curve fitting of the transient solution of the modulated emission intensity to that obtained experimentally yielded a value for the fluorescence lifetime.

© 2009 Optical Society of America

OCIS Codes
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6360) Spectroscopy : Spectroscopy, laser
(300.6390) Spectroscopy : Spectroscopy, molecular
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(280.1415) Remote sensing and sensors : Biological sensing and sensors

ToC Category:

Original Manuscript: September 12, 2008
Revised Manuscript: December 24, 2008
Manuscript Accepted: December 27, 2008
Published: March 16, 2009

Anali Makoui and Dennis K. Killinger, "Transient fluorescence spectroscopy of terbium doped dipicolinic acid: a fluorescence lifetime measurement technique," J. Opt. Soc. Am. B 26, 691-698 (2009)

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