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11 October 2007 Multi-dimensional time-correlated single-photon counting
Wolfgang Becker, Axel Bergmann
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Proceedings Volume 6771, Advanced Photon Counting Techniques II; 677102 (2007) https://doi.org/10.1117/12.735546
Event: Optics East, 2007, Boston, MA, United States
Abstract
Time-correlated single photon counting (TCSPC) is based on the detection of single photons of a periodic light signal, measurement of the detection time of the photons, and the build-up of the photon distribution versus the time in the signal period. TCSPC achieves a near ideal counting efficiency and transit-time-spread-limited time resolution for a given detector. We present an advanced TCSPC technique featuring multi-dimensional photon acquisition and a count rate close to the capability of currently available detectors. The technique is able to acquire photon distributions versus wavelength, spatial coordinates, and the time on the ps scale, and to record fast changes in the fluorescence lifetime and fluorescence intensity of a sample. Biomedical applications of advanced TCSPC techniques include time-domain optical tomography, recording of transient phenomena in biological systems, spectrally resolved fluorescence lifetime imaging, FRET experiments in living cells, and the investigation of dye-protein complexes by fluorescence correlation spectroscopy. We demonstrate the potential of the technique for selected applications.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Wolfgang Becker and Axel Bergmann "Multi-dimensional time-correlated single-photon counting", Proc. SPIE 6771, Advanced Photon Counting Techniques II, 677102 (11 October 2007); https://doi.org/10.1117/12.735546
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Cited by 4 scholarly publications and 3 patents.
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KEYWORDS
Photons
Luminescence
Sensors
Signal detection
Picosecond phenomena
Time metrology
Single photon
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