Browsing by Subject "Refractive index"

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  • Quentin, Lorenz; Beermann, Rüdiger; Pösch, Andreas; Reithmeier, Eduard; Kästner, Markus (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)
    We present a fringe projection system to measure glowing hot hybrid components in between production processes. For this a high power green light projector, based on TI DLP technology, is used to create the highest possible ...
  • Willemsen, T.; Brinkmann, M.; Jupé, M.; Gyamfi, M.; Schlichting, S.; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)
    Ultra-short laser applications require high quality dielectric optics. The natural dispersion of light needs to be matched by dielectric components. However such dispersive components are very challenging for the deposition ...
  • Guo, Qingchuan; Ghadiri, Reza; Weigel, Thomas; Aumann, Andreas; Gurevich, Evgeny L.; Esen, Cemal; Medenbach, Olaf; Cheng, Wei; Chichkov, Boris; Ostendorf, Andreas (Basel : MDPI AG, 2014)
    This article reports about nanocomposites, which refractive index is tuned by adding TiO2 nanoparticles. We compare in situ/ex situ preparation of nanocomposites. Preparation procedure is described, properties of nanocomposites ...
  • Guo, Qingchuan; Ghadiri, Reza; Weigel, Thomas; Aumann, Andreas; Gurevich, Evgeny L.; Esen, Cemal; Medenbach, Olaf; Cheng, Wei; Chichkov, Boris; Ostendorf, Andreas (Basel : MDPI AG, 2014)
    [No abstract available]
  • Johannsmeier, S.; Torres, M.L.; Ripken, T.; Heinemann, D.; Heisterkamp, Alexander (Bellingham, WA : SPIE - International Society for Optical Engineering, 2018)
    Light-based therapies have been established for various indications, such as skin conditions, cancer or neonatal jaundice. Advances in the field of optogenetics open up new horizons for light-tissue interactions with an ...
  • Beermann, Rüdiger; Quentin, Lorenz; Pösch, Andreas; Reithmeier, Eduard; Kästner, Markus (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)
    In the manufacturing process of Tailored Forming components, the inline inspection of the joining zone directly after each single process step can yield advantages - such as early error detection and real-time process ...
  • Rezem, Maher; Kelb, Christian; Günther, Axel; Rahlves, Maik; Reithmeier, Eduard; Roth, Bernhard (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)
    Micro-optical sensors based on optical waveguides are widely used to measure temperature, force and strain but also to detect biological and chemical substances such as explosives or toxins. While optical micro-sensors ...
  • 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 ...
  • Vogt, Malte R.; Holst, Hendrik; Schulte-Huxel, Henning; Blankemeyer, Susanne; Witteck, Robert; Hinken, David; Winter, Matthias; Min, Byungsul; Schinke, Carsten; Ahrens, Ingo; Köntges, Marc; Bothe, Karsten; Brendel, Rolf (London : Elsevier Ltd., 2016)
    We measure and discuss the complex refractive index of conventional ethylene vinyl acetate (EVA) and an EVA with enhanced UV-transmission based on spectroscopic ellipsometry, transmission and reflection measurements over ...
  • Reiter, Sina; Koper, Nico; Reineke-Koch, Rolf; Larionova, Yevgeniya; Turcu, Mircea; Krügener, Jan; Tetzlaff, Dominic; Wietler, Tobias; Höhne, Uwe; Kähler, Jan-Dirk; Brendel, Rolf; Peibst, Robby (London : Elsevier Ltd., 2016)
    We investigate the optical properties of n- and p-type polycrystalline silicon (poly-Si) layers. We determine the optical constants n and k of the complex refractive index of polycrystalline silicon by using variable-angle ...
  • Vogt, Malte R.; Holst, Hendrik; Schulte-Huxel, Henning; Blankemeyer, Susanne; Witteck, Robert; Bujard, Patrice; Kues, Jan-Bernd; Schinke, Carsten; Bothe, Karsten; Köntges, Marc; Brendel, Rolf (London : Elsevier Ltd., 2017)
    We evaluate the optical performance of PV modules with respect to an increase in short circuit current density. Our evaluation is based on the combination of ray tracing simulations and measurements on test modules with ...
  • Suar, Monali; Rahlves, Maik; Reithmeier, Eduard; Roth, Bernhard (Bellingham, WA : SPIE - International Society for Optical Engineering, 2018)
    Straight and bent self-written waveguides (SWWs) are formed within a photomonomer mixture by means of a self-trapping effect when a single laser beam or two laser beams with tilt are propagated inside. These SWWs can be ...
  • Malobabic, Sina; Jupé, Marco; Ristau, Detlev (London : Nature Publishing Group, 2016)
    Cloud computing is a paradigm in which information is permanently stored in servers on the Internet and cached temporarily on clients. Virtual private network (VPN) is the most widely used technology for secure cloud access. ...
  • Rahlves, Maik; Rezem, Maher; Günther, Axel; Kelb, Christian; Khan, Muhammad; Reithmeier, Eduard; Roth, Bernhard (Bellingham, WA : SPIE - International Society for Optical Engineering, 2018)
    Highly-functional photonic sensor networks integrated in thin polymer foils offer great potential for versatile applications in the life sciences, medicine, environmental analytics or production technology. For their ...