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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 16 — Aug. 15, 2002
  • pp: 1409–1411

Fluorescence lifetime system for microscopy and multiwell plate imaging with a blue picosecond diode laser

D. S. Elson, J. Siegel, S. E. D. Webb, S. Lévêque-Fort, M. J. Lever, P. M. W. French, K. Lauritsen, M. Wahl, and R. Erdmann  »View Author Affiliations


Optics Letters, Vol. 27, Issue 16, pp. 1409-1411 (2002)
http://dx.doi.org/10.1364/OL.27.001409


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Abstract

We report a wide-field fluorescence lifetime imaging (FLIM) system that uses a blue picosecond pulsed diode laser as the excitation source. This represents a significant miniaturization and simplification compared with other time-domain FLIM instruments that should accelerate the development of clinical and real-world applications of FLIM. We have demonstrated this instrument in two configurations: a macroimaging setup applied to multiwell plate assays of chemically and biologically interesting fluorophores and a microscope system that has been applied to imaging of tissue sections. The importance of the adjustable repetition rate of this laser source is discussed with respect to noise reduction and precision in the lifetime determination, illustrating a further significant advantage over conventional mode-locked solid-state lasers.

© 2002 Optical Society of America

OCIS Codes
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.6920) Medical optics and biotechnology : Time-resolved imaging
(180.2520) Microscopy : Fluorescence microscopy

Citation
D. S. Elson, J. Siegel, S. E. D. Webb, S. Lévêque-Fort, M. J. Lever, P. M. W. French, K. Lauritsen, M. Wahl, and R. Erdmann, "Fluorescence lifetime system for microscopy and multiwell plate imaging with a blue picosecond diode laser," Opt. Lett. 27, 1409-1411 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-16-1409


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