Auflistung nach Schlagwort "Optical fibers"

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  • Arbitrary Phase Access for Stable Fiber Interferometers 
    Roztocki, Piotr; MacLellan, Benjamin; Islam, Mehedi; Reimer, Christian; Fischer, Bennet; Sciara, Stefania; Helsten, Robin; Jestin, Yoann; Cino, Alfonso; Chu, Sai T.; Little, Brent; Moss, David J.; Kues, Michael; Morandotti, Roberto (Weinheim : Wiley VCH, 2021)
    Well-controlled yet practical systems that give access to interference effects are critical for established and new functionalities in ultrafast signal processing, quantum photonics, optical coherence characterization, ...
  • First international comparison of fountain primary frequency standards via a long distance optical fiber link 
    Guéna, J.; Weyers, S.; Abgrall, M.; Grebing, C.; Gerginov, V.; Rosenbusch, P.; Bize, Sebastien; Lipphardt, B.; Denker, H.; Quintin, N.; Raupach, S.M.F.; Nicolodi, D.; Stefani, F.; Chiodo, N.; Koke, S.; Kuhl, A.; Wiotte, F.; Meynadier, F.; Camisard, E.; Chardonnet, C.; Le Coq, Y.; Lours, M.; Santarelli, G.; Amy-Klein, A.; Le Targat, R.; Lopez, O.; Pottie, P.-E.; Grosche, G. (Bristol : Institute of Physics Publishing, 2017)
    We report on the first comparison of distant caesium fountain primary frequency standards (PFSs) via an optical fiber link. The 1415 km long optical link connects two PFSs at LNESYRTE (Laboratoire National de métrologie ...
  • Full-Vectorial Fiber Mode Solver Based on a Discrete Hankel Transform 
    Steinke, Michael (Basel : MDPI, 2021)
    It is crucial to be time and resource-efficient when enabling and optimizing novel applications and functionalities of optical fibers, as well as accurate computation of the vectorial field components and the corresponding ...
  • 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 ...
  • Investigating the strain, temperature and humidity sensitivity of a multimode graded-index perfluorinated polymer optical fiber with bragg grating 
    Zheng, Yulong; Bremer, Kort; Roth, Bernhard (Basel : MDPI AG, 2018)
    In this work we investigate the strain, temperature and humidity sensitivity of a Fiber Bragg Grating (FBG) inscribed in a near infrared low-loss multimode perfluorinated polymer optical fiber based on cyclic transparent ...
  • Laser cutting of CFRP with a fibre guided high power nanosecond laser source - Influence of the optical fibre diameter on quality and efficiency 
    Bluemel, S.; Bastick, S.; Staehr, R.; Jaeschke, P.; Suttmann, O.; Overmeyer, L. (Amsterdam : Elsevier B.V., 2016)
    For the development of a robot based laser cutting process of automotive 3D parts consisting of carbon fibre reinforced plastics (CFRP), investigations with a newly developed fibre guided nanosecond pulsed laser with an ...
  • Long-period gratings in highly germanium-doped, single-mode optical fibers for sensing applications 
    Schlangen, Sebastian; Bremer, Kort; Zheng, Yulong; Böhm, Sebastian; Steinke, Michael; Wellmann, Felix; Neumann, Jörg; Roth, Bernhard; Overmeyer, Ludger (Basel : MDPI AG, 2018)
    Long-period fiber gratings (LPGs) are well known for their sensitivity to external influences, which make them interesting for a large number of sensing applications. For these applications, fibers with a high numerical ...
  • Manufacturing and characterization of asymmetric evanescent field polished couplers for grating assisted mode selective fiber coupling 
    Schlangen, Sebastian; Bremer, Kort; Zheng, Yulong; Isaak, Andreas; Wurz, Marc Christopher; Böhm, Sebastian; Wellmann, Felix; Steinke, Michael; Pelegrina Bonilla, Gabriel; Neumann, Jörg; Kracht, Dietmar; Roth, Bernhard; Overmeyer, Ludger (Bellingham, Wash. : SPIE, 2018)
    Mode division multiplexing (MDM) could bring a technological progress in the field of optical telecommunication by increasing the data transmission bandwidth. A key challenge for enabling MDM lies in manufacturing of ...
  • Optical fibre sensors based on multi-mode fibres and MIMO signal processing: An experimental approach 
    Ahrens, Andreas; Sandmann, Andre; Bremer, Kort; Roth, Bernhard; Lochmann, Steffen (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    In this paper multiple-input multiple-output (MIMO) signal processing is investigated for fibre optic sensor applications. A (2 × 2) MIMO implementation is realized by using lower-order and higher-order mode groups of a ...
  • PDMAA hydrogel coated U-bend humidity sensor suited for mass-production 
    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 ...
  • Relativistic geodesy 
    Flury, Jakob (Bristol : Institute of Physics Publishing, 2016)
    Quantum metrology enables new applications in geodesy, including relativistic geodesy. The recent progress in optical atomic clocks and in long-distance frequency transfer by optical fiber together pave the way for using ...
  • Textile carbon reinforcement structures with integrated optical fibre sensors designed for SHM applications 
    Alwis, Lourdes Shanika; Bremer, Kort; Weigand, Frank; Kuhne, M.; Helbig, Reinhard; Roth, Bernhard (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)
    An optical fibre-based strain sensor embroidered to a functionalised carbon structure (FCS) that can be used for structural health monitoring (SHM) is introduced. The aim of the design is not only to monitor strain, but ...
  • Unraveling Two-Photon Entanglement via the Squeezing Spectrum of Light Traveling through Nanofiber-Coupled Atoms 
    Hinney, Jakob; Prasad, Adarsh S.; Mahmoodian, Sahand; Hammerer, Klemens; Rauschenbeutel, Arno; Schneeweiss, Philipp; Volz, Jürgen; Schemmer, Max (College Park, Md. : APS, 2021)
    We observe that a weak guided light field transmitted through an ensemble of atoms coupled to an optical nanofiber exhibits quadrature squeezing. From the measured squeezing spectrum we gain direct access to the phase and ...