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Single photon timing system for picosecond fluorescence lifetime measurements

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Abstract
  • A single‐photon timing system is described which is capable of extracting fluorescence lifetimes as short as 25 ps. The system is an improved version of an earlier apparatus. The new system uses a synchronously pumped, mode‐locked dye laser with 10‐ps pulses operating at 82‐MHz repetition rate. A fast photodetector and a leading‐edge discriminator were developed to use with this light source. Also, a special rate reduction circuit was built to eliminate large oscillations in fluorescence decay spectra due to the excessive stop rates that overload commercial time‐to‐amplitude converters.
  • This is the publisher’s final pdf. The published article is copyrighted by the American Institute of Physics and can be found at: http://rsi.aip.org/.
  • Keywords: pulses, photodetectors, fluorescence, mode locking, experimental data, optical pumping, lifetime, photons, mhz range, synchronization, dye lasers, time measurement, time−to−amplitude converters
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  • Turko, Bojan T.; Nairn, John A.; Sauer, Kenneth, "Single photon timing system for picosecond fluorescence lifetime measurements[superscript a)]," Review of Scientific Instruments, vol.54, no.1, pp.118,120, Jan 1983 doi: 10.1063/1.1137225
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  • 54
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  • 1
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  • This work was done in the Laboratory of Chemical Biodynamics and the Electronics Research and Development Group of the Lawrence Berkeley Laboratory, and was supported by the U.S. Department of Energy under Contract No. PE-AC03-76SF00098.
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