Auflistung An-Institute nach Erscheinungsdatum

Sortiert nach: Sortierung: Ergebnisse:

  • Functionality of laser-sintered shape memory micro-actuators 
    Dudziak, S.; Gieseke, M.; Haferkamp, H.; Barcikowski, S.; Kracht, D. (Amsterdam : Elsevier B.V., 2010)
    NiTi shape memory alloys are considered to be difficult to machine. Dimensional accuracy can hardly be met especially in micro-machining. Being a non-contact tool and therefore independent from machining forces, the laser ...
  • New ALPS results on hidden-sector lightweights 
    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 ...
  • Fiber-coupled surface plasmon polariton excitation in imprinted dielectric-loaded waveguides 
    Seidel, Andreas; Gosciniak, Jacek; Gonzalez, Maria U.; Renger, Jan; Reinhardt, Carsten; Kiyan, Roman; Quidant, Romain; Bozhevolnyi, Sergey I.; Chichkov, Boris (London : Hindawi Limited, 2010)
    We present fiber-coupled dielectric-loaded plasmonic waveguides for 1.55 m telecom wavelength fabricated by two-photon polymerization and nanoimprint lithography. The waveguide structures include 100- m-long plasmonic ...
  • 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 ...
  • Medical prototyping using two photon polymerization 
    Narayan, Roger J.; Doraiswamy, Anand; Chrisey, Douglas B.; Chichkov, Boris (Amsterdam : Elsevier Science, 2010)
    Two photon polymerization involves nearly simultaneous absorption of ultrashort laser pulses for selective curing of photosensitive material. This process has recently been used to create small-scale medical devices out ...
  • Laser fabrication of 3D gelatin scaffolds for the generation of bioartificial tissues 
    Ovsianikov, Aleksandr; Deiwick, Andrea; Van Vlierberghe, Sandra; Pflaum, Michael; Wilhelmi, Mathias; Dubruel, Peter; Chichkov, Boris (Basel : MDPI AG, 2010)
    In the present work, the two-photon polymerization (2PP) technique was applied to develop precisely defined biodegradable 3D tissue engineering scaffolds. The scaffolds were fabricated via photopolymerization of gelatin ...
  • OSCAR a Matlab based optical FFT code 
    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 ...
  • Optically trapped probes with nanometer-scale tips for femto-Newton force measurement 
    Pollard, M.R.; Botchway, S.W.; Chichkov, Boris; Freeman, E.; Halsall, R.N.J.; Jenkins, D.W.K.; Loader, I.; Ovsianikov, A.; Parker, A.W.; Stevens, R.; Turchetta, R.; Ward, A.D.; Towrie, M. (Bristol : IOP Publishing Ltd., 2010)
    We describe the development of a novel force probe, controlled by multiple optical traps, with a nanometer-scale tip that protrudes outside the direct laser radiation field. We have measured forces to an accuracy of 240 ...
  • Ultrafast lasers in ophthalmology 
    Lubatschowski, Holger (Amsterdam : Elsevier B.V., 2010)
    Ultrafast laser pulses have become a promising tool for microsurgery of the eye. Due to the low energy threshold, side effects are limited to the micrometer range This precision enables the use of ultrashort laser pulses ...
  • Closed loop control for laser micro spot welding using fast pyrometer systems 
    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 ...
  • 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 ...
  • Standardized emission quantification and control of costs for environmental measures 
    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, ...
  • Multiphoton microscopy of transdermal quantum dot delivery using two photon polymerization-fabricated polymer microneedles 
    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 ...
  • Laser-based approach for bonded repair of carbon fiber reinforced plastics 
    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 ...
  • Lifetime degradation mechanism in boron-doped Czochralski silicon 
    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, ...
  • Atmospheric components and dopant carry-over influence during laser ablation 
    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 ...
  • Dispensing pico to nanolitre of a natural hydrogel by laser-assisted bioprinting 
    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 ...
  • Long-term stable encapsulated solder joints on an Al/Ni:V/Ag metallization for silicon solar cells 
    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 ...
  • Comparison of nanoparticle-mediated transfection methods for DNA expression plasmids: Efficiency and cytotoxicity 
    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 ...
  • Induction of Osteogenic Differentiation of Adipose Derived Stem Cells by Microstructured Nitinol Actuator-Mediated Mechanical Stress 
    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 ...

Suche im Repositorium


Durchblättern

Mein Nutzer/innenkonto

Nutzungsstatistiken