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Additive manufacturing of glass: CO2-Laser glass deposition printing

Von Witzendorff, Philipp; Pohl, Leonhard; Suttmann, Oliver; Heinrich, Peter; Heinrich, Achim; Zander, Jörg; Bragard, Holger; Kaierle, Stefan (Amsterdam : Elsevier B.V., 2018)

Additive manufacturing is used in several industrial sectors where polymers and metals are established materials. Different academic studies prove that additive manufacturing methods can be applied on glass materials using ...
Analysis of poration-induced changes in cells from laser-activated plasmonic substrates

Saklayen, Nabiha; Kalies, Stefan; Madrid, Marinna; Nuzzo, Valeria; Huber, Marinus; Shen, Weilu; Sinanan-Singh, Jasmine; Heinemann, Dag; Heisterkamp, Alexander; Mazur, Eric (Washington, DC : Optical Society of America, 2017)

Laser-exposed plasmonic substrates permeabilize the plasma membrane of cells when in close contact to deliver cell-impermeable cargo. While studies have determined the cargo delivery efficiency and viability of laser-exposed ...
Analytic investigations on the susceptibility of nonlinear analog circuits to substrate noise

Widemann, C.; Stegemann, S.; John, Werner; Mathis, Wolfgang (Göttingen : Copernicus GmbH, 2013)

This work deals with the conducted susceptibility of nonlinear analog circuits with respect to substrate noise. The substrate coupling mechanism is modeled by a passive three-terminal network that is obtained by means of ...
Characterisation of a Recombinant Patchoulol Synthase Variant for Biocatalytic Production of Terpenes

Frister, Thore; Hartwig, Steffen; Alemdar, Semra; Schnatz, Katharina; Thöns, Laura; Scheper, Thomas; Beutel, Sascha (New York City, NY : Springer Humana Press Inc., 2015)

The patchoulol synthase (PTS) is a multi-product sesquiterpene synthases which is the central enzyme for biosynthesis of patchouli essential oil in the patchouli plant. Sesquiterpene synthases catalyse the formation of ...
The cycloaspeptides: Uncovering a new model for methylated nonribosomal peptide biosynthesis

De Mattos-Shipley, Kate M.J.; Greco, Claudio; Heard, David M.; Hough, Gemma; Mulholland, Nicholas P.; Vincent, Jason L.; Micklefield, Jason; Simpson, Thomas J.; Willis, Christine L.; Cox, Russell J.; Bailey, Andrew M. (Cambridge : Royal Society of Chemistry, 2018)

The cycloaspeptides are bioactive pentapeptides produced by various filamentous fungi, which have garnered interest from the agricultural industry due to the reported insecticidal activity of the minor metabolite, ...
Functional coatings of sol-gel on glass substrate using CO2 laser irradiation

Wesang, K.; Von Witzendorff, P.; Hohnholz, A.; Suttmann, O.; Kaierle, S.; Overmeyer, L. (Amsterdam : Elsevier B.V., 2018)

Often Glass products achieve their component functionality only by a specific surface finishing, such as coating or patterning. Compared to vacuum based CVD and PVD coating techniques, the equipment for wet-chemical ...
Functionalization of UV-curing adhesives for surface-integrated micro-polymer optical fibers

Hachicha, B.; Overmeyer, Ludger (Bellingham, Wash. : SPIE, 2016)

Polymer optical waveguides, especially single-mode waveguides are increasingly used for short distance communication, as well as for sensing applications. The realization of a working communication route requires different ...
Graphene-like metal-organic frameworks: Morphology control, optimization of thin film electrical conductivity and fast sensing applications

Hoppe, Bastian; Hindricks, Karen D.J.; Warwas, Dawid P.; Schulze, Hendrik A.; Mohmeyer, Alexander; Pinkvos, Tim J.; Zailskas, Saskia; Krey, Marc R.; Belke, Christopher; König, Sandra; Fröba, Michael; Haug, Rolf J.; Behrens, Peter (Cambridge : Royal Society of Chemistry, 2018)

The metal-organic framework Cu-2,3,6,7,10,11-hexahydroxytriphenylene (Cu3hhtp2-MOF), a copper-based graphene-like framework, is one of the few MOFs featuring inherent electrical conductivity. Here, we investigate the ...
Impact of different polyimide-based substrates on the soft magnetic properties of NiFe thin films

Rittinger, Johannes; Taptimthong, Piriya; Jogschies, Lisa; Wurz, Marc Christopher; Rissing, Lutz (Bellingham, Wash. : SPIE, 2015)

We investigated the impact of polymer substrates on the magnetic properties of soft magnetic thin films. Experiments were carried out to evaluate the performance of AMR (anisotropic magnetoresistive) sensors deposited on ...
Improving partial wetting resolution on flexible substrates for application of polymer optical waveguides

Hoffmann, Gerd-Albert; Wolfer, Tim; Reitberger, Thomas; Franke, Jörg; Suttmann, Oliver; Overmeyer, Ludger (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)

Considering the increasing amount of data for communication and infotainment applications, fabrication of optical networks and bus systems is a challenging task for production engineering. A two-step manufacturing process ...
Lateral manipulation of single adsorbates and substrate atoms with the scanning tunneling microscope

Meyer, G.; Rieder, K.H. (Cambridge : Cambridge University Press, 1998)

The stability and precision of modern scanning-tunneling-microscope (STM) systems allow positioning of the tip on a subnanometer scale. This advancement has stimulated diverse efforts on surface modifications in the nanometer ...
Layer transfer from chemically etched 150 mm porous si substrates

Terheiden, Barbara; Hensen, Jan; Wolf, Andreas; Horbelt, Renate; Plagwitz, Heiko; Brendel, Rolf (Basel : MDPI AG, 2010)

We demonstrate for the first time the successful layer transfer of an epitaxially grown monocrystalline Si film from a purely chemically etched porous Si substrate of 150 mm diameter to a glass carrier. The surface ...
Manufacturing of polymer optical waveguides using self-assembly effect on pre-conditioned 3D-thermoformed flexible substrates

Hoffmann, Gerd-Albert; Wolfer, Tim; Zeitler, Jochen; Franke, Jörg; Suttmann, Oliver; Overmeyer, Ludger (Bellingham, Wash. : SPIE, 2017)

Optical data communication is increasingly interesting for many applications in industrial processes. Therefore mass production is required to meet the requested price and lot sizes. Polymer optical waveguides show great ...
Multiple scale modeling of Al2O3 thin film growth in an ion beam sputtering process

Turowski, Marcus; Jupé, Marco; Melzig, Thomas; Pflug, Andreas; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)

A multiple scale model approach is presented in order to investigate Al2O3 thin film growth in the framework of an existing Ion Beam Sputtering (IBS) coating process. Therefore, several simulation techniques are combined ...
Nanofabrication of High-Resolution Periodic Structures with a Gap Size Below 100 nm by Two-Photon Polymerization

Zheng, Lei; Kurselis, Kestutis; El-Tamer, Ayman; Hinze, Ulf; Reinhardt, Carsten; Overmeyer, Ludger; Chichkov, Boris (New York : Springer New York LLC, 2019)

In this paper, approaches for the realization of high-resolution periodic structures with gap sizes at sub-100 nm scale by two-photon polymerization (2PP) are presented. The impact of laser intensity on the feature sizes ...
Novel active driven drop tower facility for microgravity experiments investigating production technologies on the example of substrate-free additive manufacturing

Lotz, Christoph; Wessarges, Yvonne; Hermsdorf, Jörg; Ertmer, Wolfgang; Overmeyer, Ludger (London : Elsevier Ltd., 2018)

Through the striving of humanity into space, new production processes and technologies for the use under microgravity will be essential in the future. Production of objects in space demands for new processes, like additive ...
Optical coupling of bare optoelectronic components and flexographically printed polymer waveguides in planar optronic systems

Wang, Yixiao; Wolfer, Tim; Lange, Alex; Overmeyer, Ludger (Bellingham, Wash. : SPIE, 2016)

Large scale, planar optronic systems allowing spatially distributed functionalities can be well used in diverse sensor networks, such as for monitoring the environment by measuring various physical quantities in medicine ...
Optical transparency by detuned electrical dipoles

Bozhevolnyi, Sergey I.; Evlyukhin, Andrey B.; Pors, Anders; Nielsen, Michael G.; Willatzen, Morten; Albrektsen, Ole (Bristol : IOP Publishing Ltd., 2011)

We demonstrate that optical transparency can be realized with plasmonic metamaterials using unit cells consisting of detuned electrical dipoles (DED), thereby mimicking the dressed-state picture of the electromagnetically ...
Optodic bonding of optoelectronic components in transparent polymer substrates-based flexible circuit systems

Wang, Yixiao; Akin, Meriem; Jogschies, Lisa; Overmeyer, Ludger; Rissing, Lutz (Bellingham, Wash. : SPIE, 2015)

In the field of modern information technology, optoelectronics are being widely used, and play an increasingly important role. Meanwhile, the demand for more flexible circuit carriers is rapidly growing, since flexibility ...
Silicon Heterojunction Solar Cells Combining an a-Si:H (n) Electron-collector with a PEDOT:PSS Hole-collector

Gogolin, Ralf; Zielke, Dimitri; Lövenich, Wilfried; Sauer, Rüdiger; Schmidt, Jan (London : Elsevier Ltd., 2016)

We combine PEDOT:PSS as hole-selective layer on c-Si with a well-passivating electron-selective a-Si:H(n) layer in an alternative type of silicon heterojunction solar cell. As the interface between the PEDOT:PSS and the ...

Now showing items 1-20 of 24

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