Browsing by Subject "Waveguides"

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  • Melchert, O.; Morgner, Uwe; Roth, B.; Babushkin, I.; Demircan, A. (Bellingham, WA : SPIE - International Society for Optical Engineering, 2018)
    We present a numerical approach for the accurate simulation of the complex propagation dynamics of ultrashort optical pulses in nonlinear waveguides, especially valid for few-cycle pulses. The propagation models are derived ...
  • Briest, Niklas; Garbe, Heyno; Potthast, Stefan (Berlin : Walter de Gruyter, 2017)
    The verification of transversal electromagnetic (TEM) waveguides, especially GTEM cells, is described in the standard IEC 61000-4-20 in the frequency and time domain. The verification in time domain is based on a nuclear ...
  • Hohls, Frank; Zeitler, U.; Haug, Rolf J.; Meisels, R.; Dybko, K.; Kuchar, F. (College Park, MD : American Physical Society, 2002)
    The dynamical scaling of the quantum Hall plateau phase transition in the frequency range 0.1-55 GHz was examined. A universal scaling function was observed, yielding a dynamical exponent 0.9 ± 0.2. The universal behavior ...
  • Babushkin, Ihar; Amiranashvili, Shalva; Bree, Carsten; Morgner, Uwe; Steinmeyer, Günter; Demircan, Ayhan (Piscataway, NJ : Institute of Electrical and Electronics Engineers Inc., 2016)
    Group-velocity matched cross-phase modulation between a fundamental soliton and a dispersive wave packet has been previously suggested for optical switching applications similar to an optical transistor. Moreover, the ...
  • Briest, Niklas; Hamann, David; Garbe, Heyno; Potthast, Stefan (Piscataway, NJ : Institute of Electrical and Electronics Engineers Inc., 2017)
    Transverse electromagnetic (TEM) waveguides are predominantly used for emission and immunity tests. General requirements for TEM waveguides are given by the IEC 61000-4-20. Annex C of the IEC 61000-4-20 specifies immunity ...
  • Torres-Mapa, Maria Leilani; Singh, Manmeet; Simon, Olga; Mapa, Jose Louise; Machida, Manan; Günther, Axel; Roth, Bernhard; Heinemann, Dag; Terakawa, Mitsuhiro; Heisterkamp, Alexander (Basel : MDPI AG, 2019)
    Hydrogel waveguides have found increased use for variety of applications where biocompatibility and flexibility are important. In this work, we demonstrate the use of polyethylene glycol diacrylate (PEGDA) waveguides to ...
  • Rahlves, Maik (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)
    We present our recent results on the fabrication of photonic devices such as single-mode and few-mode waveguides, Ycouplers as well as integrated interferometric sensor devices. The devices were created by means of a ...
  • Wolfer, Tim; Bollgruen, Patrick; Mager, Dario; Overmeyer, Ludger; Korvink, Jan G. (Amsterdam : Elsevier, 2014)
    Planar optronic sensor systems are networks of integrated light sources, detectors and sensors, connected by optical waveguides on thin polymer films. This way, sensor networks can be realized completely optically for ...
  • Hachicha, B.; Overmeyer, Ludger (Bellingham, WA : S P I E - International Society for Optical Engineering, 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 ...
  • Reitberger, T.; Stoll, T.; Hoffmann, G.-A.; Lorenz, L.; Neermann, S.; Overmeyer, L.; Bock, K.-H.; Wolter, K.-J.; Franke, J. (Cambridge : Cambridge University Press, 2018)
    One of today's megatrends in the industrial environment is additive manufacturing. Faster prototyping, customized products like hearing devices, integrated functions like heatsinks and many other opportunities are offered ...
  • 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 ...
  • Johannsmeier, Sonja; Torres-Mapa, Maria L.; Dipresa, Daniele; Ripken, Tammo; Heinemann, Dag; Heisterkamp, Alexander (Washington, DC : OSA - The Optical Society, 2019)
    Advances in photomedicine and optogenetics have defined the problem of efficient light delivery in vivo. Recently, hydrogels have been proposed as alternatives to glass or polymer fibers. These materials provide remarkable ...
  • 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 ...
  • 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 ...
  • Kelb, Christian; Rother, Raimund; Schuler, Anne-Katrin; Hinkelmann, Moritz; Rahlves, Maik; Prucker, Oswald; Müller, Claas; Rühe, Jürgen; Reithmeier, Eduard; Roth, Bernhard (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)
    We demonstrate the manufacturing of embedded multimode optical waveguides through linking of polymethylmethacrylate (PMMA) foils and cyclic olefin polymer (COP) filaments based on a lamination process. Since the two polymeric ...
  • Hoffmann, Gerd-Albert; Wolfer, Tim; Zeitler, Jochen; Franke, Jörg; Suttmann, Oliver; Overmeyer, Ludger (Bellingham, WA : S P I E - International Society for Optical Engineering, 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 ...
  • Herlemann, H.; Koch, M. (Göttingen : Copernicus GmbH, 2007)
    Recently, new definitions of shielding effectiveness (SE) for high-frequency and transient electromagnetic fields were introduced by Klinkenbusch (2005). Numerical results were shown for closed as well as for non closed ...
  • Wang, Yixiao; Wolfer, Tim; Lange, Alex; Overmeyer, Ludger (Bellingham, WA : S P I E - International Society for Optical Engineering, 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 ...
  • Kelb, Christian; Körner, Martin; Prucker, Oswald; Rühe, Jürgen; Reithmeier, Eduard; Roth, Bernhard (Basel : MDPI AG, 2017)
    We present a full-polymer respiratory monitoring device suited for application in environments with strong magnetic fields (e.g., during an MRI measurement). The sensor is based on the well-known evanescent field method ...
  • Reitberger, Thomas; Hoffmann, Gerd-Albert; Wolfer, Tim; Overmeyer, Ludger; Franke, Jörg (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)
    The optical data transfer is considered as the future of signal transfer due to its various advantages compared to conventional copper-based technologies. The Aerosol Jet Printing (AJP) technology offers the opportunity ...