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Erlangen Graduate School in Advanced Optical Technologies
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Erlangen Graduate School in Advanced Optical Technologies

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Erlangen Graduate School in Advanced Optical Technologies

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Publication Spotlights

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Publication Spotlights


Research in Photonics and Optical Technologies in Erlangen is amazingly diverse. The doctoral candidates of SAOT work in a multitude of research areas, gaining insight into many different fields of science and technology. Within our Publication Spotlights, this diversity shall be targeted and made visible to all those interested in cutting-edge photonic research performed by junior scientists. Thus, the latest publications of SAOT doctoral candidates are abstracted, including photos from the lab and links to detailed information.

Florian Kordon: Digital Support in Surgery Planning

Category: Publication Spotlight 12. May 2022
Towards entry "Florian Kordon: Digital Support in Surgery Planning"

In his latest publication, Florian Kordon presents a “Multi-Stage Platform for (Semi-)Automatic Planning in Reconstructive Orthopedic Surgery”. He developed a deep-learning algorithm for anatomical feature detection, which enables precise pre- and intra-operative surgery planning based on 2D X-ray i...

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Rong Wang: A Pathway for Efficient Bilayer Photovoltaics

Category: Publication Spotlight 12. May 2022
Towards entry "Rong Wang: A Pathway for Efficient Bilayer Photovoltaics"

For her latest publication “Tailoring the Nature of Interface States in Efficient and Stable Bilayer Organic Solar Cells by a Transfer-Printing Technique”, Rong Wang developed a novel fabrication method, which enables solar cells containing two layers with a sharply defined planar interface. By regu...

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Simon Aßmann: Monitoring Spray Flame Synthesis

Category: Publication Spotlight 5. May 2022
Towards entry "Simon Aßmann: Monitoring Spray Flame Synthesis"

Spray flame synthesis is a powerful tool for the generation of functionalized nanoparticles, yet sophisticated measurement techniques are required to investigate droplet evolution and nanoparticle formation in such a complex process. In his recent publication, “In Situ Determination of Droplet and N...

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Dominic Bartels: Laser-Based Modification of Steel

Category: Publication Spotlight 26. April 2022
Towards entry "Dominic Bartels: Laser-Based Modification of Steel"

Laser-based additive manufacturing enables the realization of steel-based products in sophisticated new shapes. Dominic Bartels published on the “In situ modification of case-hardening steel 16MnCr5 by C and WC addition by means of powder bed fusion with laser beam of metals (PBF-LB/M)”. He investig...

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Manuel Kerscher: Characterizing Fluids using Laser Light

Category: Publication Spotlight 22. April 2022
Towards entry "Manuel Kerscher: Characterizing Fluids using Laser Light"

For the first time, Manuel Kerscher determined the “Viscosity and Surface Tension of Benzene at Saturation Conditions from Surface Light Scattering”. His results consolidate the capability of surface light scattering as an accurate absolute measurement technique for the simultaneous determination of...

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Maximilian Piszko: Characterizing Mixtures and Melts

Category: Publication Spotlight 6. April 2022
Towards entry "Maximilian Piszko: Characterizing Mixtures and Melts"

Thermoplastic foams are used in a broad variety of applications. The resulting foam properties are governed by the nucleation and bubble growth behavior, which are both strongly influenced by the thermophysical properties of the blowing-agent-loaded polymer melt. Especially knowledge on diffusion co...

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Marc-Oliver Pleinert: Validating Quantum Theory

Category: Publication Spotlight 5. April 2022
Towards entry "Marc-Oliver Pleinert: Validating Quantum Theory"

Marc-Oliver Pleinert’s focus of research is the experimental validation of results emerging from quantum theory. By “Testing Higher-Order Quantum Interference with Many-Particle States”, he set a new benchmark in experimental studies of higher-order interference. He successfully observed two-particl...

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Moritz Späth: Improving Vessel Diagnostics

Category: Publication Spotlight 28. March 2022
Towards entry "Moritz Späth: Improving Vessel Diagnostics"

Microcirculation describes the circulation of blood in the smallest vessels. The publication of Moritz Späth deals with the “Determination of the diameter of simulated human capillaries using shifted position‐diffuse reflectance imaging”. Using Monte-Carlo simulations, he showed that this non-invasi...

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Stefan Richter: Locating Quantum Emitters

Category: Publication Spotlight 28. March 2022
Towards entry "Stefan Richter: Locating Quantum Emitters"

Recently, Stefan Richter published on “Imaging Trapped Ion Structures via Fluorescence Cross-Correlation Detection”. This highly sensitive technique yields structural information of the arrangement of single photon sources where direct imaging techniques fail.

His results on the spatial frequenc...

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Karen Schwarzkopf: In-Situ Imaging of Additive Manufacturing

Category: Publication Spotlight 28. March 2022
Towards entry "Karen Schwarzkopf: In-Situ Imaging of Additive Manufacturing"

With her “Arrangement for the benchmarking of in-situ process monitoring of topographical process signatures within the Laser Powder Bed Fusion process”, Karen Schwarzkopf presents a custom made setup for examination of defect mechanisms in additive manufacturing.

This setup combines a low-cohere...

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Rong Wang: Characterizing Organics with High Throughput

Category: Publication Spotlight 28. March 2022
Towards entry "Rong Wang: Characterizing Organics with High Throughput"

Rong Wang recently published on “Understanding the Microstructure Formation of Polymer Films by Spontaneous Solution Spreading Coating with a High-Throughput Engineering Platform”.

She presents an automated workflow for the preparation and optical characterization of polymer films used in optoel...

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Chao Liu: Manipulating Organic Photovoltaic Materials

Category: Publication Spotlight 28. March 2022
Towards entry "Chao Liu: Manipulating Organic Photovoltaic Materials"

In her publication “Utilizing the unique charge extraction properties of antimony tin oxide nanoparticles for efficient and stable organic photovoltaics”, Chao Liu presents a new and simple strategy in developing advanced interface materials for organic solar cells.

By adding the metalloid antimo...

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Albert These: Perovskites from Aerosols

Category: Publication Spotlight 28. March 2022
Towards entry "Albert These: Perovskites from Aerosols"

Albert These worked on the “Characterization of Aerosol Deposited Cesium Lead Tribromide Perovskite Films on Interdigited ITO Electrodes”. He showed that aerosol deposition can be used to fabricate semiconducting perovskite films at low cost. The devices showed good electrical transport properties ...

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Alexander Wittmann: A New Laser for Additive Manufacturing

Category: Publication Spotlight 28. March 2022
Towards entry "Alexander Wittmann: A New Laser for Additive Manufacturing"

Recently, Alexander Wittmann published on the “Consolidation of thermoplastic coatings by means of a thulium-doped fiber laser”. He investigated the suitability of this laser for depositing polymer coatings on stainless steel substrates.

To optimize the layer morphology, he varied the main proces...

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Alexander Sommereyns: Nano-Additives for Additive Manufacturing

Category: Publication Spotlight 28. March 2022
Towards entry "Alexander Sommereyns: Nano-Additives for Additive Manufacturing"

With additive manufacturing, highly customized parts of high complexity and resolution can be fabricated. Mixing nanoparticles into the feedstock polymer powders may improve the outcome of the laser powder bed fusion. With a multitude of evaluation techniques, Alexander Sommereyns investigated the i...

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Lisa Ackermann: High-Energy Beam Shaping

Category: Publication Spotlight 28. March 2022
Towards entry "Lisa Ackermann: High-Energy Beam Shaping"

The recent publication of Lisa Ackermann deals with “Uniform and efficient beam shaping for high-energy lasers”. By setting two spatial light modulators in a proper arrangement, she realized a setup that enables tailored light fields even for high-energy pulsed lasers. Thus, she was able to create a...

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Phillip Rall: Improving High-Power Laser Optics

Category: Publication Spotlight 28. March 2022
Towards entry "Phillip Rall: Improving High-Power Laser Optics"

Thermal lensing is an unwanted effect in optics used for high-power laser imaging. The high light intensity causes a heat up of the lenses which induces a focus shift. To tackle this issue, Phillip Rall recently presented a “Simulation and compensation of thermal lensing in high-power optical system...

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Yakun He: Single-Component Organic Solar Cells

Category: Publication Spotlight 28. March 2022
Towards entry "Yakun He: Single-Component Organic Solar Cells"

Yakun He successfully worked on “Unraveling the Charge-Carrier Dynamics from the Femtosecond to the Microsecond Time Scale in Double-Cable Polymer-Based Single-Component Organic Solar Cells”. She investigated the charge carrier dynamics of a representative polymer across seven orders of magnitude in...

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Bernd Doll: Field Tests on Solar Cells

Category: Publication Spotlight 28. March 2022
Towards entry "Bernd Doll: Field Tests on Solar Cells"

Photovoltaic energy generation will play a major role in the future of producing electric energy. “Outdoor photoluminescence of large area photovoltaic modules”, investigated by Bernd Doll, can act as an on-site tool for fast and cost-effective characterization of solar cells.

For investigation o...

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Max Köppel and Jasper Podschus: Remote Temperature Sensing

Category: Publication Spotlight 28. March 2022
Towards entry "Max Köppel and Jasper Podschus: Remote Temperature Sensing"

In their latest publication “Doppler optical frequency domain reflectometry for remote fiber sensing”, Max Köppel and Jasper Podschus present a new method for fiber sensing.

Using this technique, they were able to perform high-resolution distributed temperature measurements. To do so, optically ...

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Markus Labus und Peter Lang: Flexible Aerosol Thermometry

Category: Publication Spotlight 28. March 2022
Towards entry "Markus Labus und Peter Lang: Flexible Aerosol Thermometry"

In their recent publication, Markus Labus and Peter Lang present “A versatile fibre-based setup for two-line atomic fluorescence thermometry in aerosol processes”.  They implemented a new kind of hexagonal close-packed burner for high precision temperature measurements of combustion processes.

By...

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Florian Kordon: Deep Learning for Knee Surgeries

Category: Publication Spotlight 28. March 2022
Towards entry "Florian Kordon: Deep Learning for Knee Surgeries"

The conference paper “Automatic Path Planning for Safe Guide Pin Insertion in PCL Reconstruction Surgery” by Florian Kordon presents a time-saving pathway to optimize drill positioning in ligament surgery.

Therefore, anatomical features are extracted from X-ray images using deep learning techniqu...

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Florian Bauer: In-Situ Spectroscopy of Soot Formation

Category: Publication Spotlight 28. March 2022
Towards entry "Florian Bauer: In-Situ Spectroscopy of Soot Formation"

Even nowadays, in the age of growing electromobility, the understanding of soot formation in combustion processes will remain import for many years to come.

Florian Bauer’s “In situ characterization of absorbing species in stationary premixed flat flames using UV–Vis absorption spectroscopy” sho...

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Pablo Dilger: Assessing Laser Welding

Category: Publication Spotlight 28. March 2022
Towards entry "Pablo Dilger: Assessing Laser Welding"

For his conference contribution “Determination of the beam position in laser deep penetration welding using coaxially acquired images of the keyhole front and machine learning”, Pablo Dilger trained a convolutional neural network in evaluation of high-speed images of laser welding processes. With hi...

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