Auflistung nach Schlagwort "Thin films"

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  • Continuous detection of particles on a rotating substrate during thin film deposition 
    Rüsseler, Anna Karoline; Balasa, Istvan; Jensen, Lars; Ristau, Detlev (Bellingham : SPIE, 2018)
    Particles, which contaminate the substrate during thin film deposition, are prone to cause irremovable defects and demand special attention in the field of high precision laser optics as they can lead to localized absorption ...
  • Devolatilization of polymers by diffusion and foaming 
    Gestring, Ingo; Mewes, Dieter (London : SAGE Publications Ltd., 2002)
    Devolatilization is a key step in polymer processing. Low-molecular-weight components are removed from a polymeric system. The transport of these components takes place by diffusion to the polymer-vapor interface. This ...
  • Dielectric properties of PVDF based thin films and electrospun mats 
    Tretiakov, A.; Kapralova, V.; Sudar, N.; Gryshkov, O.; Glasmacher, B. (Bristol : Institute of Physics Publishing, 2019)
    Dielectric properties of polyvinylidene fluoride based thin films and electrospun mats have been studied. Frequency dependences of samples capacity and tangent of dielectric losses have been obtained. The influence of ...
  • Direct in situ GDD measurement in optical coating process 
    Schlichting, S.; Willemsen, Thomas; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    In the presented work a fast frequency domain measurement system to determine group delay (GD) and group delay dispersion (GDD) of optical coatings is proposed. The measurements are performed in situ directly on moving ...
  • Electrical and optical properties linked to laser damage behavior in conductive thin film materials 
    Steinecke, Morten; Naran, Tank Ankit; Keppler, Nils Christian; Behrens, Peter; Jensen, Lars; Jupé, Marco; Ristau, Detlev (Washington, DC : OSA - The Optical Society, 2021)
    Epsilon-near-zero-materials (ENZ-materials) and their unique properties are key to the successful integration and miniaturization of optical components. Novel concepts, which promise significant progress in this field of ...
  • Fabrication of thermoformable circuits by laser patterning of metallized thermoplastic foils 
    Wojakowski, Bodo; Klug, Ulrich; Düsing, Jan; Kling, Rainer (Amsterdam : Elsevier B.V., 2010)
    High-resolution laser patterning offers innovative methods for the manufacturing of three dimensional interconnect devices. The process chain presented in this paper uses cost efficient metal thin-films sputtered on ...
  • 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 ...
  • Laser interferometry with translucent and absorbing mechanical oscillators 
    Friedrich, Daniel; Kaufer, Henning; Westphal, Tobias; Yamamoto, K.; Sawadsky, Andreas; Ya Khalili, F.; Danilishin, S.L.; Goßler, Stefan; Danzmann, Karsten; Schnabel, Roman (Bristol : IOP Publishing Ltd., 2011)
    The sensitivity of laser interferometers can be pushed into regimes that enable the direct observation of the quantum behaviour of mechanical oscillators. In the past, membranes with subwavelength thickness (thin films) ...
  • Laser-Surface-Treatment for Photovoltaic Applications 
    Horn, Alexander; Kalmbach, Cay-Christian; González Moreno, Javier; Schütz, Viktor; Stute, Uwe; Overmeyer, Ludger (Amsterdam : Elsevier, 2012)
    To increas the overall efficiency of photovoltaic systems, such as solar cells or modules, different laser surface treatments have been adopted. In this article laser processing is applied to reduce the reflectivity on ...
  • Measurement of the nonlinear refractive index in optical thin films 
    Steinecke, M.; Jupé, M.; Kiedrowski, K.; Ristau, D. (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)
    Based on the z-scan method, an interferometric set-up for measuring the optical Kerr-effect was engineered and optimized. Utilizing a Mach-Zehnder configuration, the wave front deformation caused by the Kerr induced ...
  • Measurement setup for the determination of the nonlinear refractive index of thin films with high nonlinearity 
    Steinecke, Morten; Kellermann, Tarik; Jupé, Marco; Ristau, Detlev; Jensen, Lars (Bellingham : SPIE, 2018)
    The exploitation of nonlinear effects in multi-layer thin films allows for optics with novel functions, such as all-optical switching and frequency conversion. In this contribution, an improved interferometric setup for ...
  • Mesoporous tin-doped indium oxide thin films: Effect of mesostructure on electrical conductivity 
    Graberg, Till von; Hartmann, Pascal; Rein, Alexander; Gross, Silvia; Seelandt, Britta; Röger, Cornelia; Zieba, Roman; Traut, Alexander; Wark, Michael; Janek, Jürgen; Smarsly, Bernd M. (Bristol : Institute of Physics Publishing, 2011)
    We present a versatile method for the preparation of mesoporous tin-doped indium oxide (ITO) thin films via dip-coating. Two poly(isobutylene)-b- poly(ethyleneoxide) (PIB-PEO) copolymers of significantly different molecular ...
  • Multilayer etching for kerf-free solar cells from macroporous silicon 
    Schäfer, Sören; Ernst, Marco; Kajari-Schröder, Sarah; Brendel, Rolf (Amsterdam : Elsevier, 2013)
    Kerf-free techniques for subdividing a single thick crystalline Si wafer into a multitude of thin Si layers have a large potential for cost reductions. In this paper, we explore pore formation in Si for separating many 18 ...
  • 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 ...
  • Optimization of novel phase separating IBS process 
    Jupé, Marco; Willemsen, Thomas; Malobabic, Sina; Schuba, Kornelia; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    During the last years, optical low loss components gained more and more industrial interest and led to novel approaches for the production in optical coating technology. The application of filtered deposition technologies ...
  • Precise fabrication of ultra violet dielectric dispersion compensating mirrors 
    Willemsen, Thomas; Schlichting, S.; Kellermann, T.; Jupé, Marco; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    The present contribution is concentrated on an improved method to manufacture dielectric dispersion compensating mirrors in the ultra violet (UV) range by applying a novel online phase monitoring device. This newly developed ...
  • Role of doping agent degree of sulfonation and casting solvent on the electrical conductivity and morphology of pedot:Spaes thin films 
    Tomasino, Daniela Valeria; Wolf, Mario; Farina, Hermes; Chiarello, Gianluca; Feldhoff, Armin; Ortenzi, Marco Aldo; Sabatini, Valentina (Basel : MDPI AG, 2021)
    Poly(3,4-ethylenedioxythiophene) (PEDOT) plays a key role in the field of electrically conducting materials, despite its poor solubility and processability. Various molecules and polymers carrying sulfonic groups can be ...
  • Scale-up of the electrodeposition of ZnO/Eosin Y hybrid thin films for the fabrication of flexible dye-sensitized solar cell modules 
    Bittner, Florian; Oekermann, Torsten; Wark, Michael (Basel : MDPI AG, 2018)
    The low-temperature fabrication of flexible ZnO photo-anodes for dye-sensitized solar cells (DSSCs) by templated electrochemical deposition of films was performed in an enlarged and technical simplified deposition setup ...
  • Simulation in thin film technology 
    Turowski, Marcus; Jupé, Marco; Ehlers, Henrik; Melzig, Thomas; Pflug, Andreas; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    Simulation and modeling find more and more their way into thin film technology. Beside theoretical models for layer design, pre-production design analysis, and real time process control, atomistic simulation techniques ...