Dr. Christian Oelsner Profile

Dr. Christian Oelsner

at PicoQuant GmbH

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Author

Publications (9)

Proceedings Article | 13 March 2024 Poster

Electroluminescence and photoluminescence characterization of LEDs/OLEDs using a single micro-photoluminescence spectroscopy setup

Felix Koberling, Eugeny Ermilov, Christian Oelsner, Bita Rezania, Uwe Ortmann, Mario Gerecke, Rainer Erdmann

Proceedings Volume PC12906, PC129060P (2024) https://doi.org/10.1117/12.3001479

KEYWORDS: Electroluminescence, Spectroscopy, Photoluminescence, Light emitting diodes, Organic light emitting diodes, Electrical properties, Spectroscopes, Spectral resolution, Spatial resolution, Microscopes

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Proceedings Article | 13 March 2024 Poster

Second-harmonic generation imaging microscopy with ps pulsed lasers

Felix Koberling, Volker Buschmann, Christian Oelsner, Bita Rezania, Maria Loidolt-Krüger, Uwe Ortmann, Rainer Erdmann

Proceedings Volume PC12855, PC128551F (2024) https://doi.org/10.1117/12.3001466

KEYWORDS: Second harmonic generation, Biological imaging, Picosecond phenomena, Pulsed laser operation, Microscopes, Crystals, Reflection, Nonlinear crystals, Laser safety, High power lasers

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Proceedings Article | 27 March 2023 Poster

Photoluminescence studies from ps to ms with high-power fast-gate cw pulse pattern by a RGB laser excitation source in combination: characterization and applications

Maryam Sadeghi, Volker Buschmann, Eugeny Ermilov, Christian Oelsner

Proceedings Volume PC12441, PC124410U (2023) https://doi.org/10.1117/12.2647719

KEYWORDS: Luminescence, RGB color model, Picosecond phenomena, Continuous wave operation, Pulsed laser operation, Laser applications, High power lasers, Spectroscopy, Semiconductor lasers, Microscopes

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Proceedings Article | 17 March 2023 Poster

Integration of a superconducting nanowire detector into a confocal microscope for TRPL-mapping: sensitivity and time resolution

Volker Buschmann, Eugeny Ermilov, Felix Koberling, Rainer Erdmann, Christian Oelsner, Jürgen Breitlow

Proceedings Volume PC12386, PC123860H (2023) https://doi.org/10.1117/12.2647548

KEYWORDS: Sensors, Nanowires, Superconductors, Microscopes, Confocal microscopy, Quantum efficiency, Luminescence, Single photon detectors, Waveguides, Temporal resolution

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Proceedings Article | 7 March 2022 Presentation

Bringing UV excitation of small biomolecules and proteins to another level - pulsed high-power UV-LEDs with more than 40 times higher output power

Christian Oelsner, Linnea Olofsson, Uwe Ortmann, Eugeny Ermilov, Volker Buschmann, Frank Birke, Rainer Erdmann, Mario Gerecke

Proceedings Volume PC11964, PC119640E (2022) https://doi.org/10.1117/12.2605884

KEYWORDS: Proteins, Luminescence, Ultraviolet radiation, Molecules, Time resolved spectroscopy, Spectroscopy, Signal detection, Resonance energy transfer, Picosecond phenomena, Optical testing

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Proceedings Article | 7 March 2022 Poster

Non-destructive photoluminescence investigation of PV devices with high spatial resolution microscope techniques

Christian Oelsner, Volker Buschmann, Felix Koberling, Rainer Erdmann, Uwe Ortmann, Linnea Olofsson

Proceedings Volume PC11996, PC119960L (2022) https://doi.org/10.1117/12.2605882

KEYWORDS: Photovoltaics, Luminescence, Spatial resolution, Nondestructive evaluation, Microscopes, Semiconductors, Spectroscopy, Scanning tunneling microscopy, Scanning electron microscopy, Time resolved spectroscopy

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Proceedings Article | 5 March 2022 Presentation

High spatial photoluminescence investigation of nanostructures with single-molecule sensitivity

Uwe Ortmann, Christian Oelsner, Linnea Olofsson, Volker Buschmann, Felix Koberling, Rainer Erdmann

Proceedings Volume PC12010, PC1201015 (2022) https://doi.org/10.1117/12.2605883

KEYWORDS: Luminescence, Nanostructures, Spectroscopy, Raman spectroscopy, Optical properties, Nanoparticles, Time resolved spectroscopy, Quantum efficiency, Quantum dots, Particles

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Proceedings Article | 3 March 2022 Presentation

Measuring steady-state and time-resolved photoluminescence of up-conversion nanoparticles with high spatial resolution

Christian Oelsner, Linnea Olofsson, Uwe Ortmann, Eugeny Ermilov, Volker Buschmann, Matthias Patting, Rainer Erdmann

Proceedings Volume PC11976, PC1197601 (2022) https://doi.org/10.1117/12.2605888

KEYWORDS: Nanoparticles, Spatial resolution, Luminescence, Spectroscopy, Visible radiation, Time resolved spectroscopy, Resonance energy transfer, Optical properties, Near infrared, Molecular interactions

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Proceedings Article | 5 March 2021 Presentation

Measuring steady-state and time-resolved photoluminescence from a positionable, micrometer-sized observation volume

Christian Oelsner, Eugeny Ermilov, Volker Buschmann, Frank Birke, Matthias Patting, Uwe Ortmann, Rainer Erdmann

Proceedings Volume 11656, 116560H (2021) https://doi.org/10.1117/12.2576400

KEYWORDS: Luminescence, Spectroscopy, Statistical analysis, Molecules, Molecular spectroscopy, Time resolved spectroscopy, Spatial resolution, Semiconductors, Resonance energy transfer, Proteins

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Showing 5 of 9 publications

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