@inproceedings{24101,
  abstract     = {{Arburg Plastic Freeforming (APF) is an additive manufacturing process with which three-dimensional, thermoplastic components can be produced layer by layer. Visual and geometrical properties are a major criterion for characterizing the resulting component quality. The aim of this study was to investigate the influences on visual and geometrical properties of APF components depending on process parameters. Initially the focus was on the analysis of the shrinkage behavior of ABS-M30 (Stratasys). On the basis of the results and an existing procedure by the machine manufacturer, an optimized procedure for determining the scaling factors was developed to counteract the shrinkage. With this procedure a higher dimensional accuracy of the components can be achieved. In addition, it was investigated whether an adaption of the form factor based on a mathematical model depending on the component geometry makes sense. The results were transferred into manufacturing guidelines, which allow the user of the APF-technology to optimize process parameters more efficiently.}},
  author       = {{Moritzer, Elmar and Hecker, Felix and Elsner, Christian Lennart and Hirsch, André}},
  booktitle    = {{Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)}},
  editor       = {{Bourell, David}},
  location     = {{Austin, Texas, USA}},
  pages        = {{467--474}},
  title        = {{{Investigations for the Optimization of Visual and Geometrical Properties of Arburg Plastic Freeforming Components}}},
  doi          = {{10.26153/tsw/17567}},
  year         = {{2021}},
}

@inproceedings{24099,
  abstract     = {{The additive manufacturing process Fused Deposition Modeling (FDM) is established in the industry for many years. A new, similar process to FDM is the Arburg Plastic Freeforming (APF). The main differences between both processes are the form of the starting material (FDM: Filaments, APF: Conventional granulate) and the material deposition during the layer formation (FDM: Melt strand, APF: fine molten droplets).
Since the two processes can be used in similar applications, the aim of this study is to compare both processes in a holistic way. Furthermore, the advantages and disadvantages of the processes are to be highlighted. The systematic comparison between a Stratasys 400mc and the Freeformer 200-3X is divided into the areas of component properties, design limitations and economic efficiency. The material ABS-M30 (Stratasys) is used in both processes. The results show comparable component properties regarding mechanical and optical properties but also differences in design limitations and cost efficiency.
}},
  author       = {{Moritzer, Elmar and Hecker, Felix and Driediger, Christine and Hirsch, André}},
  booktitle    = {{Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)}},
  editor       = {{Bourell, David}},
  location     = {{Austin, Texas, USA}},
  pages        = {{575--584}},
  title        = {{{Comparison of Component Properties and Economic Efficiency of the Arburg Plastic Freeforming and Fused Deposition Modeling}}},
  doi          = {{10.26153/tsw/17577}},
  year         = {{2021}},
}

@inproceedings{24096,
  abstract     = {{The Arburg Plastic Freeforming (APF) is an additive manufacturing process with which three-dimensional, thermoplastic components can be produced layer by layer. One disadvantage of the APF is the long residence time of the molten material in the plasticizing unit compared to conventional injection moulding. The dosing volume is emptied very slowly due to only discharging fine plastic droplets. As a result, long residence times can be expected, which can lead to thermal degradation of the material.
The aim of this study was to develop a model for calculating the residence time of the material in the APF. The residence time of the material in the thermally critical dosing volume is predicted using software developed in-house. The accuracy of the model could be verified by experimental investigations. Finally, the thermal degradation of the material was investigated by analyzing the correlation to the mechanical properties of tensile strength specimens.
}},
  author       = {{Moritzer, Elmar and Hecker, Felix and Hirsch, André}},
  booktitle    = {{Proceedings: 2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)}},
  editor       = {{Bourell, David}},
  location     = {{Austin, Texas, USA}},
  pages        = {{1268--1275}},
  title        = {{{Investigation and Modeling of the Residence Time Dependent Material Degradation in the Arburg Plastic Freeforming}}},
  doi          = {{10.26153/tsw/17643}},
  year         = {{2021}},
}

@inproceedings{24160,
  abstract     = {{In automotive and other fields of application media-carrying components often have complex, flow-optimized geometries and are made of plastics for reasons of weight and cost. Therefore, the laser sintering technology is predestinated to manufacture these components as it offers a very high degree of design freedom and good mechanical properties.
For industrial applications the long-term properties of the SLS material in contact with liquid media are important and were therefore investigated for PA12, PP and PA613. Hereby, different media such as motor oil or Glysantin based coolant were tested with different temperatures and immersion times of up to 26 weeks. The mechanical properties were tested after immersion and compared to injection molded samples. Furthermore, laser sintering design guidelines for media-carrying components were developed. These guidelines for instance include the minimum wall thickness to ensure media tightness and the removal of powder from channels with a high length to diameter ratio.}},
  author       = {{Kletetzka, Ivo and Kummert, Christina and Schmid, Hans-Joachim}},
  booktitle    = {{Proceedings of the 32nd Annual International Solid Freeform Fabrication Symposium}},
  location     = {{Austin}},
  publisher    = {{Laboratory for Freeform Fabrication and University of Texas}},
  title        = {{{Laser Sintering Design Guidelines for media transmitting Components}}},
  doi          = {{http://dx.doi.org/10.26153/tsw/17548}},
  volume       = {{32}},
  year         = {{2021}},
}

@inproceedings{29937,
  author       = {{Karp, Martin and Podobas, Artur and Jansson, Niclas and Kenter, Tobias and Plessl, Christian and Schlatter, Philipp and Markidis, Stefano}},
  booktitle    = {{2021 IEEE International Parallel and Distributed Processing Symposium (IPDPS)}},
  publisher    = {{IEEE}},
  title        = {{{High-Performance Spectral Element Methods on Field-Programmable Gate Arrays : Implementation, Evaluation, and Future Projection}}},
  doi          = {{10.1109/ipdps49936.2021.00116}},
  year         = {{2021}},
}

@article{31263,
  author       = {{Guillarmou, Colin and Hilgert, Joachim and Weich, Tobias}},
  issn         = {{2644-9463}},
  journal      = {{Annales Henri Lebesgue}},
  pages        = {{81--119}},
  publisher    = {{Cellule MathDoc/CEDRAM}},
  title        = {{{High frequency limits for invariant Ruelle densities}}},
  doi          = {{10.5802/ahl.67}},
  volume       = {{4}},
  year         = {{2021}},
}

@book{52571,
  editor       = {{Schlüter, Alexander and Bernabé-Moreno, Juan}},
  publisher    = {{Carl Hanser GmbH & Co KG}},
  title        = {{{Das Energiesystem der Zukunft in Smart Cities und Smart Rural Areas}}},
  year         = {{2021}},
}

@phdthesis{52665,
  author       = {{Hillebrand, Michael}},
  isbn         = {{978-3-947647-22-4}},
  title        = {{{Entwicklungssystematik zur Integration von Eigenschaften der Selbstheilung in Intelligente Technische Systeme }}},
  volume       = {{Band 403}},
  year         = {{2021}},
}

@phdthesis{52664,
  author       = {{Wu, Liang}},
  isbn         = {{978-3-947647-21-7}},
  title        = {{{Ultrabreitbandige Sampler in SiGe-BiCMOS-Technologie für Analog-Digital-Wandler mit zeitversetzter Abtastung}}},
  volume       = {{402}},
  year         = {{2021}},
}

@techreport{53290,
  abstract     = {{In this report, we consider a semiconductor nanostructure in an optical cavity that is coupled to quantum light. We describe the semiconductor nanostructure with a parabolic band structure in a 1D k-space, while we assume a single-mode quantum field. The 1D<br> system is chosen for simplicity in both the analytical and the numerical treatment and paves the way for the description of 2D structures in the future. Therefore, instead of using parameters which are realistic for 1D systems, we rather use parameters which qualitatively correspond to 2D GaAs structures.}},
  author       = {{Rose, H. and Vasil'ev, A.N. and Tikhonova, O.V. and Meier, Torsten and Sharapova, Polina R.}},
  publisher    = {{LibreCat University}},
  title        = {{{Excitation of an electronic band structure by a single-photon Fock state}}},
  doi          = {{10.5281/ZENODO.5774985}},
  year         = {{2021}},
}

@inproceedings{46194,
  author       = {{Kenter, Tobias and Shambhu, Adesh and Faghih-Naini, Sara and Aizinger, Vadym}},
  booktitle    = {{Proceedings of the Platform for Advanced Scientific Computing Conference (PASC)}},
  publisher    = {{ACM}},
  title        = {{{Algorithm-hardware co-design of a discontinuous Galerkin shallow-water model for a dataflow architecture on FPGA}}},
  doi          = {{10.1145/3468267.3470617}},
  year         = {{2021}},
}

@phdthesis{23379,
  abstract     = {{Mit der zunehmenden Bedeutung von digitalen Lösungen und innovativen Dienstleistungen geht eine signifikante Transformation des produzierenden Gewerbes einher. Die Digitalisierung führt zu intelligenten Produkten, die Daten generieren und über das Internet austauschen. Auf Basis dieser Daten können Produkthersteller gänzlich neue digitale Dienstleistungen anbieten, sogenannte Smart Services. Ihre erfolgreiche Umsetzung ist essentiell, um in der Wettbewerbsarena der Zukunft bestehen zu können. Die Gestaltung eines Smart Service-Geschäfts ist jedoch nicht trivial. Ziel der vorliegenden Arbeit ist eine Systematik zur Entwicklung von Smart Service-Strategien im produzierenden Gewerbe. Die Systematik besteht aus drei Bestandteilen: der Erste ist die Konzeption von Smart Service-Strategien im Sinne eines Referenzmodells. Sie definiert die auszugestaltenden Aspekte. Der Zweite ist das Gestaltungswissen. Es werden Normstrategien und Funktionalitäten im Kontext von Smart Services für die Strategieentwicklung bereitgestellt. Die Strategieentwicklung wird im dritten Bestandteil adressiert, einer Methode bestehend aus einem Vorgehensmodell und unterstützenden Hilfsmitteln. Das Vorgehensmodell orchestriert den Einsatz der Hilfsmittel und des Gestaltungswissens. Resultat ist eine Smart Service-Strategie, die die Vision für das Smart Service-Geschäft sowie den Weg zu deren Realisierung darstellt. Die Systematik wurde anhand eines Unternehmens des Sondermaschinenbaus erfolgreich validiert.}},
  author       = {{Koldewey, Christian}},
  isbn         = {{978-3-947647-18-7}},
  keywords     = {{Smart Service, Strategie}},
  pages        = {{4, 217, A--41}},
  title        = {{{Systematik zur Entwicklung von Smart Service-Strategien im produzierenden Gewerbe}}},
  doi          = {{10.17619/UNIPB/1-1167}},
  volume       = {{399}},
  year         = {{2021}},
}

@proceedings{27519,
  editor       = {{Gausemeier, Jürgen and Bauer, Wilhelm and Dumitrescu, Roman}},
  publisher    = {{Heinz Nixdorf Institut, Universität Paderborn}},
  title        = {{{Vorausschau und Technologieplanung - 16. Symposium für Vorausschau und Technologieplanung}}},
  volume       = {{Band 400}},
  year         = {{2021}},
}

@phdthesis{42070,
  author       = {{Olma, Simon}},
  isbn         = {{9783947647231}},
  publisher    = {{Verlagsschriftenreihe des Heinz Nixdorf Instituts}},
  title        = {{{Systemtheorie von Hardware-in-the-Loop-Simulationen mit Anwendung auf einem Fahrzeugachsprüfstand mit parallelkinematischem Lastsimulator}}},
  volume       = {{404}},
  year         = {{2021}},
}

@misc{54403,
  abstract     = {{Dataset of the publication “Theoretical analysis and simulations of two-dimensional Fourier transform spectroscopy performed on exciton-polaritons of a quantum-well microcavity system“, H. Rose, J. Paul, J. K. Wahlstrand, A. Bristow, and T. Meier, Proceedings of the SPIE 11684, 1168414 (2021) ( https://doi.org/10.1117/12.2576696 ). The zip file includes the data on which the plots shown in figure 2 are based.}},
  author       = {{Rose, Hendrik and Paul, Jagannath and Wahlstrand, Jared K. and Bristow, Alan D. and Meier, Torsten}},
  publisher    = {{LibreCat University}},
  title        = {{{Theoretical analysis and simulations of two-dimensional Fourier transform spectroscopy performed on exciton-polaritons of a quantum-well microcavity system}}},
  doi          = {{10.5281/ZENODO.5153619}},
  year         = {{2021}},
}

@misc{54408,
  abstract     = {{Dataset of the publication “Accurate photon echo timing by optical freezing of exciton dephasing and rephasing in quantum dots“, ( https://doi.org/10.1038/s42005-020-00491-2 ). The zip file includes the data on which the plots shown in figures 2-5 of the main text, and supplementary figures S1-S5 are based.}},
  author       = {{Kosarev, Alexander and Rose, Hendrik and Poltavtsev, Sergey and Reichelt, Matthias and Schneider, Christian and Kamp, Martin and Höfling, Sven and Bayer, Manfred and Meier, Torsten and Akimov, Ilya}},
  publisher    = {{LibreCat University}},
  title        = {{{Accurate photon echo timing by optical freezing of exciton dephasing and rephasing in quantum dots}}},
  doi          = {{10.5281/ZENODO.5226662}},
  year         = {{2021}},
}

@misc{54402,
  abstract     = {{Dataset of the publication “Nondegenerate two-photon absorption in ZnSe: Experiment and theory“, L. Krauss-Kodytek, W.-R. Hannes, T. Meier, C. Ruppert, and M. Betz, Phys. Rev. B 104, 085201 (2021). ( https://doi.org/10.1103/PhysRevB.104.085201 ). The zip file includes the data on which the plots shown in figures 3, 4, and 5 are based.}},
  author       = {{Krauss-Kodytek, Laura and Hannes, Wolf-Rüdiger and Meier, Torsten and Ruppert, Claudia and Betz, Markus}},
  publisher    = {{LibreCat University}},
  title        = {{{Nondegenerate two-photon absorption in ZnSe: Experiment and theory}}},
  doi          = {{10.5281/ZENODO.5195116}},
  year         = {{2021}},
}

@misc{54404,
  abstract     = {{Dataset of the publication “Bright correlated twin-beam generation and radiation shaping in high-gain parametric down-conversion with anisotropy“, M. Riabinin, P. R. Sharapova, and T. Meier, Optics Express 29, 21876 (2021) ( https://doi.org/10.1364/OE.424977 ). The zip file includes the data on which the plots shown in figures 2, 3, 4, 6, 7, and 8 are based.}},
  author       = {{Riabinin, Matvei and Sharapova, Polina and Meier, Torsten}},
  publisher    = {{LibreCat University}},
  title        = {{{Bright correlated twin-beam generation and radiation shaping in high-gain parametric down-conversion with anisotropy}}},
  doi          = {{10.5281/ZENODO.5126748}},
  year         = {{2021}},
}

@misc{54401,
  abstract     = {{Dataset of the publication “Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles“, Proc. SPIE 11684,116840X (2021) ( https://doi.org/10.1117/12.2576887 ). The zip file includes the data on which the figures are based, the gnuplot files for the figures, and an explaining readme.txt.}},
  author       = {{Reichelt, Matthias and Rose, Hendrik and Kosarev, Alexander N. and Poltavtsev, Sergey V. and Bayer, Manfred and Akimov, Ilya A. and Schneider, Christian and Kamp, Martin and Höfling, Sven and Meier, Torsten}},
  publisher    = {{LibreCat University}},
  title        = {{{Controlling the emission time of photon echoes by optical freezing of exciton dephasing and rephasing in quantum-dot ensembles}}},
  doi          = {{10.5281/ZENODO.5226911}},
  year         = {{2021}},
}

@article{21821,
  abstract     = {{We present a combined experimental and numerical study of the far-field emission properties of optical travelling wave antennas made from low-loss dielectric materials. The antennas considered here are composed of two simple building blocks, a director and a reflector, deposited on a glass substrate. Colloidal quantum dots placed in the feed gap between the two elements serve as internal light source. The emission profile of the antenna is mainly formed by the director while the reflector suppresses backward emission. Systematic studies of the director dimensions as well as variation of antenna material show that the effective refractive index of the director primarily governs the far-field emission pattern. Below cut off, i.e., if the director’s effective refractive index is smaller than the refractive index of the substrate, the main lobe results from leaky wave emission along the director. In contrast, if the director supports a guided mode, the emission predominately originates from the end facet of the director.}},
  author       = {{Leuteritz, T. and Farheen, Henna and Qiao, S. and Spreyer, F. and Schlickriede, Christian and Zentgraf, Thomas and Myroshnychenko, Viktor and Förstner, Jens and Linden, S.}},
  issn         = {{1094-4087}},
  journal      = {{Optics Express}},
  keywords     = {{tet_topic_opticalantenna}},
  number       = {{10}},
  title        = {{{Dielectric travelling wave antennas for directional light emission}}},
  doi          = {{10.1364/oe.422984}},
  volume       = {{29}},
  year         = {{2021}},
}