Auflistung nach Schlagwort "Optics"

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  • 3D geometry measurement of hot cylindric specimen using structured light 
    Quentin, Lorenz; Beermann, Rüdiger; Pösch, Andreas; Reithmeier, Eduard; Kästner, Markus (Bellingham, Wash. : SPIE, 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 ...
  • Anisotropic characteristics analysis of 3D-printed optics 
    Grabe, Tobias; Biermann, Tobias; Bayerl, Maximilian; Lachmayer, Roland (Erlangen : Deutsche Gesellschaft für angewandte Optik, 2020)
    The Additive Manufacturing of transparent materials enables cost efficient rapidprototyping of optically transparent components. The components are built layer-by-layer which can cause anisotropic optical properties. We ...
  • Blue-green opponency and trichromatic vision in the greenhouse whitefly (Trialeurodes vaporariorum) 
    Stukenberg, Niklas Merten; Poehling, Hans-Michael (s.l. : BioRxiv, 2018)
    Visual orientation in the greenhouse whitefly ( Trialeurodes vaporariorum Westwood, Hemiptera: Aleyrodidae) is the result of 9wavelength-specific behaviours9. Green-yellow elicits 9settling behaviour9 while ultraviolet ...
  • Design and construction of an optical test bed for LISA imaging systems and tilt-to-length coupling 
    Chwalla, M.; Danzmann, Karsten; Fernández Barranco, G.; Fitzsimons, E.; Gerberding, Oliver; Heinzel, Gerhard; Killow, Christian J.; Lieser, M.; Perreur-Lloyd, M.; Robertson, D.I.; Schuster, Sönke; Schwarze, Thomas S.; Tröbs, M.; Ward, H.; Zwetz, M. (Bristol : IOP Publishing, 2016)
    The laser interferometer space antenna (LISA) is a future space-based interferometric gravitational-wave detector consisting of three spacecraft in a triangular configuration. The interferometric measurements of path length ...
  • Functionalization of UV-curing adhesives for surface-integrated micro-polymer optical fibers 
    Hachicha, B.; Overmeyer, Ludger (Bellingham, Wash. : SPIE, 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 ...
  • The future of short-range high-speed data transmission: Printed polymer optical waveguides (POW) innovation, fabrication, and challenges 
    Reitberger, T.; Stoll, T.; Hoffmann, G.-A.; Lorenz, L.; Neermann, S.; Overmeyer, L.; Bock, K.-H.; Wolter, K.-J.; Franke, J. (Bellingham, Wash. : SPIE, 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 ...
  • Geometric calibration of full spherical panoramic ricoh-theta camera 
    Aghayari, S.; Saadatseresht, Mohammad; Omidalizarandi, Mohammad; Neumann, Ingo (Göttingen : Copernicus GmbH, 2017)
    A novel calibration process of RICOH-THETA, full-view fisheye camera, is proposed which has numerous applications as a low cost sensor in different disciplines such as photogrammetry, robotic and machine vision and so on. ...
  • Light section measurement to quantify the accuracy loss induced by laser light deflection in an inhomogeneous refractive index field 
    Beermann, Rüdiger; Quentin, Lorenz; Pösch, Andreas; Reithmeier, Eduard; Kästner, Markus (Bellingham, Wash. : SPIE, 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 ...
  • OptFROG — Analytic signal spectrograms with optimized time–frequency resolution 
    Melchert, O.; Roth, B.; Morgner, Uwe; Demircan, A. (Amsterdam : Elsevier B.V., 2019)
    A Python package for the calculation of spectrograms with optimized time and frequency resolution for application in the analysis of numerical simulations on ultrashort pulse propagation is presented. Gabor’s uncertainty ...
  • Potentials and Challenges of Generative Design for Additively Manufactured Freeform Optics 
    Teves, Simon; Xia, Panpan; Ziebehl, Arved; Biermann, Tobias; Grabe, Tobias; Lachmayer, Roland (Erlangen: Deutsche Gesellschaft für Angewandte Optik, 2023-08-18)
    The additive manufacturing of optical elements only partially exploits its design freedom as suitable design methods are not available and process characteristics complicate performance predictions. To account for this, a ...
  • A raspberry pi based portable endoscopic 3D measurement system 
    Schlobohm, Jochen; Pösch, Andreas; Reithmeier, Eduard (Basel : MDPI AG, 2016)
    Geometry measurements are very important to monitor a machine part’s health and performance. Optical measurement system have several advantages for the acquisition of a parts geometry: measurement speed, precision, point ...
  • Superresolved femtosecond laser nanosurgery of cells 
    Pospiech, Matthias; Emons, Moritz; Kuetemeyer, Kai; Heisterkamp, Alexander; Morgner, Uwe (Washington, DC : Optical Society of America, 2011)
    We report on femtosecond nanosurgery of fluorescently labeled structures in cells with a spatially superresolved laser beam. The focal spot width is reduced using phase filtering applied with a programmable phase modulator. ...
  • Vermessung und Optimierung eines Laserscheinwerfermoduls 
    Grabe, Tobias (Hannover : Institut für Produktentwicklung und Gerätebau, Gottfried Wilhelm Leibniz Universität, 2014-09-25)
    Helle, weiße LEDs kommen zunehmend in Neuentwicklungen von Fahrzeugscheinwerfern als Ersatz für klassische Xenon- und Halogen-Lichtquellen zum Einsatz. Einen nächsten Schritt in dieser Entwicklung stellen Lichtquellen auf ...
  • Wave packet echoes in the motion of trapped atoms 
    Buchkremer, F.B.J.; Dumke, R.; Levsen, H.; Birkl, G.; Ertmer, Wolfgang (American Physical Society, 2000)
    A new echo technique to access the coherent and dissipative dynamics of atomic wave packet oscillations in trapping potentials was experimentally and systematically validated. By using this technique, the coherence time ...