Dr. Axel Bergmann Profile

Dr. Axel Bergmann

at Becker & Hickl GmbH

SPIE Involvement:

Author

Publications (31)

Proceedings Article | 5 March 2021 Presentation

Wolfgang Becker, Vladislav Shcheslavskiy, Axel Bergmann

Proceedings Volume 11648, 1164809 (2021) https://doi.org/10.1117/12.2578326

KEYWORDS: Fluorescence lifetime imaging, Data analysis, Tissues, Modeling, Image segmentation, Image analysis, Graphics processing units, Data processing

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Proceedings Article | 14 February 2020 Presentation + Paper

Metabolic imaging by simultaneous 2-photon FLIM of NAD(P)H and FAD

Wolfgang Becker, Axel Bergmann, Alexander Jelzow, Antje Neubauer, Angelika Rück, Konrad Birkmeier, Patrick Leisching

Proceedings Volume 11244, 112440L (2020) https://doi.org/10.1117/12.2550962

KEYWORDS: Fluorescence lifetime imaging, Multiplexing, Second-harmonic generation, Sensors, Photons, Imaging systems, Picosecond phenomena, Femtosecond fiber lasers, Luminescence, Ultrafast phenomena

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Proceedings Article | 22 February 2019 Presentation + Paper

Fast-acquisition TCSPC FLIM with sub-25-ps IRF width

Wolfgang Becker, Axel Bergmann, Stefan Smietana

Proceedings Volume 10882, 1088206 (2019) https://doi.org/10.1117/12.2510272

KEYWORDS: Fluorescence lifetime imaging, Picosecond phenomena, Data acquisition, Photodetectors, Luminescence

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Proceedings Article | 22 February 2019 Presentation + Paper

Metabolic imaging by simultaneous FLIM of NAD(P)H and FAD

Wolfgang Becker, Axel Bergmann, Rodrigo Suarez Ibarrola, Philippe-Fabian Müller, Lukas Braun

Proceedings Volume 10882, 108820B (2019) https://doi.org/10.1117/12.2510132

KEYWORDS: Confocal laser scanning microscopy, Clinical research, Fluorescence lifetime imaging, Luminescence, Tumors, Multiplexing, Signal detection, Data analysis, Cancer, Tissues

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Proceedings Article | 11 February 2011 Paper

Simultaneous fluorescence and phosphorescence lifetime imaging

Wolfgang Becker, Bertram Su, Axel Bergmann, Klaus Weisshart, Oliver Holub

Proceedings Volume 7903, 790320 (2011) https://doi.org/10.1117/12.875204

KEYWORDS: Phosphorescence, Luminescence, Pulsed laser operation, Modulation, Laser scanners, Microscopes, Clocks, Semiconductor lasers, Sensors, Confocal microscopy

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Proceedings Article | 26 February 2010 Paper

Better FLIM and FCS data by GaAsP hybrid detectors

Wolfgang Becker, Bertram Su, Axel Bergmann

Proceedings Volume 7569, 75690S (2010) https://doi.org/10.1117/12.843649

KEYWORDS: Fluorescence lifetime imaging, Sensors, Fluorescence correlation spectroscopy, Luminescence, Avalanche photodiodes, Signal detection, Picosecond phenomena, Signal to noise ratio, Digital image correlation, Microscopes

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Proceedings Article | 13 February 2009 Paper

Fast-acquisition multispectral FLIM by parallel TCSPC

Wolfgang Becker, Bertram Su, Axel Bergmann

Proceedings Volume 7183, 718305 (2009) https://doi.org/10.1117/12.807697

KEYWORDS: Fluorescence lifetime imaging, Luminescence, Picosecond phenomena, Confocal microscopy, Sensors, Electronics, Scanners, Fluorescence resonance energy transfer, Tissue optics, Data acquisition

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Proceedings Article | 15 October 2007 Paper

How fast can TCSPC FLIM be made?

Vicky Katsoulidou, Axel Bergmann, Wolfgang Becker

Proceedings Volume 6771, 67710B (2007) https://doi.org/10.1117/12.735550

KEYWORDS: Fluorescence lifetime imaging, Luminescence, Sensors, Picosecond phenomena, Microscopes, Time correlated photon counting, Signal detection, Signal attenuation, Tissues, Photodetectors

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Proceedings Article | 11 October 2007 Open Access

Multi-dimensional time-correlated single-photon counting

Wolfgang Becker, Axel Bergmann

Proceedings Volume 6771, 677102 (2007) https://doi.org/10.1117/12.735546

KEYWORDS: Photons, Luminescence, Sensors, Signal detection, Picosecond phenomena, Time metrology, Single photon, Clocks, Biomedical optics, Electronics

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Proceedings Article | 10 February 2007 Paper

Multidimensional fluorescence lifetime measurements

Christoph Biskup, Birgit Hoffmann, Laimonas Kelbauskas, Thomas Zimmer, Sascha Dietrich, Wolfgang Becker, Axel Bergmann, Nikolaj Klöcker, Klaus Benndorf

Proceedings Volume 6442, 64420V (2007) https://doi.org/10.1117/12.699870

KEYWORDS: Luminescence, Fluorescence resonance energy transfer, Molecules, Proteins, Microscopes, Streak cameras, Confocal microscopy, Sensors, Pulsed laser operation, Resonance energy transfer

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Proceedings Article | 3 November 2006 Open Access

Multidimensional time-correlated single photon counting

Wolfgang Becker, Axel Bergmann

Proceedings Volume 6372, 637201 (2006) https://doi.org/10.1117/12.684742

KEYWORDS: Photons, Luminescence, Signal detection, Sensors, Single photon, Time metrology, Microscopes, Picosecond phenomena, Tissue optics, Fluorescence correlation spectroscopy

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Proceedings Article | 27 October 2006 Paper

Advanced time-correlated single photon counting technique for spectroscopy and imaging of biological systems

Wolfgang Becker, Axel Bergmann, Michal Kacprzak, Adam Liebert

Proceedings Volume 6047, 604714 (2006) https://doi.org/10.1117/12.710872

KEYWORDS: Luminescence, Tissue optics, Imaging spectroscopy, Imaging systems, Sensors, Picosecond phenomena, Single photon, Spectroscopy, Biomedical optics, Fluorescence resonance energy transfer

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Proceedings Article | 25 October 2006 Paper

Multiwavelength fluorescence lifetime imaging by TCSPC

Axel Bergmann, Wolfgang Becker

Proceedings Volume 6372, 637204 (2006) https://doi.org/10.1117/12.684743

KEYWORDS: Luminescence, Fluorescence lifetime imaging, Sensors, Photodetectors, Fluorescence resonance energy transfer, Microscopes, Signal processing, Chromophores, Time correlated photon counting, Tissues

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Proceedings Article | 25 October 2006 Paper

Timing stability of TCSPC experiments

W. Becker, A. Bergmann

Proceedings Volume 6372, 637209 (2006) https://doi.org/10.1117/12.684750

KEYWORDS: Picosecond phenomena, Photons, Luminescence, Sensors, Microchannel plates, Error analysis, Single photon, Semiconductor lasers, Light sources, Electronics

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Proceedings Article | 25 October 2006 Paper

Differentiation of ocular fundus fluorophores by fluorescence lifetime imaging using multiple excitation and emission wavelengths

M. Hammer, D. Schweitzer, S. Schenke, W. Becker, A. Bergmann

Proceedings Volume 6372, 637202 (2006) https://doi.org/10.1117/12.684989

KEYWORDS: Luminescence, Fluorescence lifetime imaging, Collagen, Picosecond phenomena, Diagnostics, Eye, Proteins, Auto-fluorescence imaging, Retina, Data modeling

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Proceedings Article | 7 March 2006 Paper

In vivo autofluorescence lifetime imaging at the fundus of the human eye

Dietrich Schweitzer, Martin Hammer, Frank Schweitzer, Stefan Schenke, Eckhard Birckner, Wolfgang Becker, Axel Bergmann

Proceedings Volume 6138, 613808 (2006) https://doi.org/10.1117/12.644692

KEYWORDS: Luminescence, Picosecond phenomena, Eye, Fluorescence lifetime imaging, Mode conditioning cables, In vivo imaging, Laser scanners, Single photon, Oxygen, Fluorescence spectroscopy

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Proceedings Article | 23 February 2006 Paper

Spectrally resolved fluorescence lifetime and FRET measurements

Laimonas Kelbauskas, Sascha Dietrich, Birgit Hoffmann, Thomas Zimmer, Klaus Benndorf, Wolfgang Becker, Axel Bergmann, Nikolaj Klöcker, Christoph Biskup

Proceedings Volume 6089, 608903 (2006) https://doi.org/10.1117/12.645809

KEYWORDS: Luminescence, Fluorescence resonance energy transfer, Microscopes, Molecules, Sensors, Proteins, Streak cameras, Photons, Laser scanners, Time metrology

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Proceedings Article | 8 October 2005 Paper

Time- and wavelength-resolved autofluorescence detection by multi-dimensional TCSPC

Wolfgang Becker, Axel Bergmann, Christoph Biskup, Dietrich Schweitzer, Martin Hammer

Proceedings Volume 5862, 58620S (2005) https://doi.org/10.1117/12.633033

KEYWORDS: Luminescence, Eye, Fluorescence lifetime imaging, Tissues, Signal detection, Sensors, Picosecond phenomena, Ophthalmic imaging, Photodetectors, Skin

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Proceedings Article | 28 April 2005 Paper

Multi-dimensional time-correlated single photon counting applied to diffuse optical tomography

Wolfgang Becker, Axel Bergmann, Adam Gibson, Nick Everdell, David Jennions, M. Schweiger, S. Arridge, Jeremy Hebden

Proceedings Volume 5693, (2005) https://doi.org/10.1117/12.589004

KEYWORDS: Sensors, Photons, Picosecond phenomena, Multiplexing, Luminescence, Absorption, Diffuse optical tomography, Tissue optics, Signal detection, Single photon

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Proceedings Article | 30 March 2005 Paper

Spectrally resolved fluorescence lifetime and FRET measurements

Christoph Biskup, Laimonas Kelbauskas, Thomas Zimmer, Sascha Dietrich, Klaus Benndorf, Wolfgang Becker, Axel Bergmann, Nikolaj Klocker

Proceedings Volume 5700, (2005) https://doi.org/10.1117/12.613006

KEYWORDS: Luminescence, Fluorescence resonance energy transfer, Molecules, Microscopes, Sensors, Photons, Proteins, Streak cameras, Time metrology, Signal processing

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Proceedings Article | 30 March 2005 Paper

Fluorescence lifetime images and correlation spectra obtained by multidimensional TCSPC

Wolfgang Becker, Axel Bergmann, Elke Haustein, Zdenek Petrasek, Petra Schwille, Christoph Biskup, Tiemo Anhut, Iris Riemann, Karsten Konig

Proceedings Volume 5700, (2005) https://doi.org/10.1117/12.588990

KEYWORDS: Luminescence, Fluorescence correlation spectroscopy, Fluorescence lifetime imaging, Sensors, Fluorescence resonance energy transfer, Microscopes, Proteins, Signal detection, Molecules, Picosecond phenomena

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SPIE Journal Paper | 1 July 2004 Open Access

Interaction of PSD-95 with potassium channels visualized by fluorescence lifetime-based resonance energy transfer imaging

Christoph Biskup, Laimonas Kelbauskas, Thomas Zimmer, Klaus Benndorf, Axel Bergmann, Wolfgang Becker, J. Peter Ruppersberg, Clemens Stockklausner, Nikolaj Klöcker

JBO, Vol. 9, Issue 04, (July 2004) https://doi.org/10.1117/12.10.1117/1.1755721

KEYWORDS: Luminescence, Proteins, Resolution enhancement technologies, Molecules, Potassium, Green fluorescent protein, Visualization, Microscopes, Resonance energy transfer, Laser scanners

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Proceedings Article | 21 June 2004 Paper

High-speed FLIM data acquisition by time-correlated single-photon counting

Wolfgang Becker, Axel Bergmann, Giovanni Biscotti, Karsten Koenig, Iris Riemann, Laimonas Kelbauskas, Christoph Biskup

Proceedings Volume 5323, (2004) https://doi.org/10.1117/12.529113

KEYWORDS: Luminescence, Fluorescence lifetime imaging, Sensors, Microscopes, Fluorescence resonance energy transfer, Picosecond phenomena, Laser scanners, Molecules, Proteins, Signal detection

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Proceedings Article | 1 June 2004 Paper

Advanced time-correlated single photon counting techniques for spectroscopy and imaging in biomedical systems

Wolfgang Becker, Axel Bergmann, Giovanni Biscotti, Angelika Rueck

Proceedings Volume 5340, (2004) https://doi.org/10.1117/12.529143

KEYWORDS: Luminescence, Photons, Sensors, Biomedical optics, Single photon, Signal detection, Imaging spectroscopy, Picosecond phenomena, Imaging systems, Fluorescence resonance energy transfer

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Proceedings Article | 10 July 2003 Paper

High resolution TCSPC lifetime imaging

Wolfgang Becker, Axel Bergmann, Christoph Biskup, Laimonas Kelbauskas, Thomas Zimmer, Nikolaj Klocker, Klaus Benndorf

Proceedings Volume 4963, (2003) https://doi.org/10.1117/12.472866

KEYWORDS: Sensors, Luminescence, Microscopes, Fluorescence lifetime imaging, Fluorescence resonance energy transfer, Photodetectors, Microchannel plates, Picosecond phenomena, Laser scanners, Modulation

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Proceedings Article | 17 June 2002 Paper

Lifetime imaging with the Zeiss LSM-510

Wolfgang Becker, Axel Bergmann, Georg Weiss

Proceedings Volume 4620, (2002) https://doi.org/10.1117/12.470706

KEYWORDS: Luminescence, Microscopes, Sensors, Picosecond phenomena, Fluorescence resonance energy transfer, Clocks, Laser scanners, Head, Nonlinear optics, Single photon

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Proceedings Article | 17 June 2002 Paper

Multiwavelength TCSPC lifetime imaging

Wolfgang Becker, Axel Bergmann, Christoph Biskup, Thomas Zimmer, Nikolaj Kloecker, Klaus Benndorf

Proceedings Volume 4620, (2002) https://doi.org/10.1117/12.470679

KEYWORDS: Luminescence, Microscopes, Sensors, Resolution enhancement technologies, Laser scanners, Clocks, Photodetectors, Time metrology, Signal processing, Proteins

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Proceedings Article | 2 November 2001 Paper

High-count-rate multichannel TCSPC for optical tomography

Wolfgang Becker, Axel Bergmann, Heidrun Wabnitz, Dirk Grosenick, Adam Liebert

Proceedings Volume 4431, (2001) https://doi.org/10.1117/12.447430

KEYWORDS: Sensors, Photons, Mammography, Tissue optics, Scattering, Optical spheres, Optical tomography, Absorption, Signal detection, Pulsed laser operation

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Proceedings Article | 2 November 2001 Paper

FRET measurements by TCSPC laser scanning microscopy

Wolfgang Becker, Klaus Benndorf, Axel Bergmann, Christoph Biskup, Karsten Koenig, Uday Tirlapur, Thomas Zimmer

Proceedings Volume 4431, (2001) https://doi.org/10.1117/12.447406

KEYWORDS: Fluorescence resonance energy transfer, Microscopes, Luminescence, Head, Laser scanners, Molecules, Microscopy, Single photon, Quenching (fluorescence), Sensors

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Proceedings Article | 24 April 2001 Paper

Picosecond fluorescence lifetime microscopy by TCSPC imaging

Wolfgang Becker, Axel Bergmann, Karsten Koenig, Uday Tirlapur

Proceedings Volume 4262, (2001) https://doi.org/10.1117/12.424584

KEYWORDS: Microscopes, Luminescence, Sensors, Picosecond phenomena, Laser scanners, Single photon, Calcium, Imaging systems, Fluorescence resonance energy transfer, Microscopy

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Proceedings Article | 15 January 1996 Paper

Time- and space-correlated single photon counting spectroscopy

Klaus Kemnitz, Lutz Pfeifer, Rene Paul, Frank Fink, Axel Bergmann

Proceedings Volume 2628, (1996) https://doi.org/10.1117/12.229976

KEYWORDS: Picosecond phenomena, Luminescence, Single photon, Sensors, Spectroscopy, Photons, Spectroscopes, Microchannel plates, Amplifiers, Error analysis

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Showing 5 of 31 publications

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