Browsing An-Institute by Issue Date

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  • Stehr, T.; Hermsdorf, J.; Henning, T.; Kling, R. (Amsterdam : Elsevier B.V., 2010)
    Laser micro spot welding offers temperature resistant high strength contacts without filler material. However, due to varying surface absorption properties of copper, the welding quality shows poor reproducibility. To ...
  • Nölke, C.; Claußen, S.; Dudziak, S.; Haferkamp, H.; Barcikowski, S. (Amsterdam : Elsevier B.V., 2010)
    Laser dispersing offers a great potential to fabricate layers or tracks with tailored properties threat duce abrasive or adhesive wear at the surface of highly stressed components. Different ceramic powder materials like ...
  • Degallaix, J. (Bristol : Institute of Physics Publishing, 2010)
    Optical simulation softwares are essential tools for designing and commissioning laser interferometers. This article aims to introduce OSCAR, a Matlab based FFT code, to the experimentalist community. OSCAR (Optical ...
  • Ehret, Klaus; Frede, Maik; Ghazaryan, Samvel; Hildebrandt, Matthias; Knabbe, Ernst-Axel; Kracht, Dietmar; Lindner, Axel; List, Jenny; Meier, Tobias; Meyer, Niels; Notz, Dieter; Redondo, Javier; Ringwald, Andreas; Wiedemann, Günter; Willke, Benno (Amsterdam : Elsevier B.V., 2010)
    The ALPS Collaboration runs a "Light Shining through a Wall" (LSW) experiment to search for photon oscillations into "Weakly Interacting Sub-eV Particles" (WISPs) often predicted by extensions of the Standard Model. The ...
  • Voronkov, Vladimir V.; Falster, Robert; Batunina, A.V.; MacDonald, D.; Bothe, Karsten; Schmidt, J. (London : Elsevier Ltd., 2011)
    The recombination centre that emerges in boron- and oxygen-containing silicon was thought to be a complex of a substitutional boron atom Bs and an oxygen dimer O2. However in material co-doped with boron and phosphorus, ...
  • Gittard, Shaun D.; Miller, Philip R.; Boehm, Ryan D.; Ovsianikov, Aleksandr; Chichkov, Boris; Heiser, Jeremy; Gordon, John; Monteiro-Riviere, Nancy A.; Narayan, Roger J. (Cambridge : Royal Society of Chemistry, 2011)
    Due to their ability to serve as fluorophores and drug delivery vehicles, quantum dots are a powerful tool for theranostics-based clinical applications. In this study, microneedle devices for transdermal drug delivery were ...
  • 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 ...
  • Völkermeyer, Frank; Fischer, Fabian; Stute, Uwe; Kracht, Dietmar (Amsterdam : Elsevier B.V., 2011)
    This paper describes a laser-based approach for the bonded repair of fiber reinforced plastic (CFRP) parts. According to CFRP's material properties and sensitivity to thermal loads, short pulsed UV laser radiation is ...
  • Schütz, Viktor; Haupt, Oliver; Stute, Uwe (London : Elsevier Ltd., 2011)
    In order to improve the efficiency of multi-crystalline (mc)-silicon solar cells, laser ablation as a non-contact tool is highly suitable for various processes. Apart from the laser and scanning parameters frequently ...
  • Jung, Verena; Heinemeyer, Frank; Köntges, Marc (London : Elsevier Ltd., 2011)
    Evaporated Al as metallization for silicon solar cells may be profitable as it requires less Al material than the common screen-printed Al/Ag-paste combinations and forms contacts with a lower contact resistivity. To achieve ...
  • Gruene, Martin; Unger, Claudia; Koch, Lothar; Deiwick, Andrea; Chichkov, Boris (London : Biomed Central, 2011)
    Background: Laser-assisted bioprinting of multi-cellular replicates in accordance with CAD blueprint may substantially improve our understandings of fundamental aspects of 3 D cell-cell and cell-matrix interactions in ...
  • Walter, J.; Hustedt, M.; Wesling, V.; Barcikowski, S. (Amsterdam : Elsevier B.V., 2011)
    Laser welding and soldering are important industrial joining processes. As is known, LGACs (Laser Generated Air Contaminants) cause costs for environmental measures during production of complex metallic components (steel, ...
  • Durán, Maria Carolina; Willenbrock, Saskia; Barchanski, Annette; Müller, Jessika-M.V.; Maiolini, Arianna; Soller, Jan T.; Barcikowski, Stephan; Nolte, Ingo; Feige, Karsten; Murua Escobar, Hugo (London : Biomed Central, 2011)
    Background: Reproducibly high transfection rates with low methodology-induced cytotoxic side effects are essential to attain the required effect on targeted cells when exogenous DNA is transfected. Different approaches and ...
  • Wippo, V.; Devrient, M.; Kern, M.; Jaeschke, P.; Frick, T.; Stute, U.; Schmidt, M.; Haferkamp, H. (Amsterdam : Elsevier B.V., 2012)
    An on-axis pyrometric-based temperature measurement method suitable for different laser transmission welding techniques is presented. A temperature detection during contour and quasi-simultaneous welding is demonstrated ...
  • Richter, A.; Werner, F.; Cuevas, A.; Schmidt, J.; Glunz, S.W. (London : Elsevier Ltd., 2012)
    Accurate modeling of the intrinsic recombination in silicon is important for device simulation as well as for interpreting measured effective carrier lifetime data. In this contribution we study the injection-dependent ...
  • Schimek, M.; Springer, A.; Kaierle, S.; Kracht, D.; Wesling, V. (Amsterdam : Elsevier B.V., 2012)
    By reducing vehicle weight, a significant increase in fuel efficiency and consequently a reduction in CO 2 emissions can be achieved. Currently a high interest in the production of hybrid weld seams between steel and ...
  • Hagemann, R.; Noelke, C.; Kaierle, S.; Wesling, V. (Amsterdam : Elsevier B.V., 2012)
    Sintered alumina ceramics are used as refractory materials for industrial aluminum furnaces. In this environment the ceramic surface is in permanent contact with molten aluminum resulting in deposition of oxidic material ...
  • Haller, Michel Y.; Bertram, Erik; Dott, Ralf; Afjei, Thomas; Ochs, Fabian; Hadorn, Jean-Christophe (London : Elsevier Ltd., 2012)
    Combined solar and heat pump systems have a large potential to reduce CO2 and other emissions from the sector of domestic hot water preparation and space heating. Subtask C of the IEA SHC Task 44 / HPP Annex 38 deals with ...
  • Giovannetti, Federico; Föste, Sebastian; Ehrmann, Nicole; Rockendorf, Gunter (London : Elsevier Ltd., 2012)
    Low emissivity coatings can significantly reduce radiative heat losses of glass panes for solar energy use. Their effectiveness is strongly dependent on their optical properties, which need to meet the requirements for the ...
  • Strauß, Sarah; Dudziak, Sonja; Hagemann, Ronny; Barcikowski, Stephan; Fliess, Malte; Israelowitz, Meir; Kracht, Dietmar; Kuhbier, Jörn W.; Radtke, Christine; Reimers, Kerstin; Vogt, Peter M. (San Francisco, California, US : PLOS, 2012)
    The development of large tissue engineered bone remains a challenge in vitro, therefore the use of hybrid-implants might offer a bridge between tissue engineering and dense metal or ceramic implants. Especially the combination ...

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