Auflistung nach Schlagwort "Interferometers"

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  • Kruse, I.; Lange, K.; Peise, J.; Lücke, Bernd; Pezzè, L.; Arlt, Jan J.; Ertmer, Wolfgang; Lisdat, C.; Santos, Luis; Smerzi, A.; Klempt, Carsten (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)
    Since the pioneering work of Ramsey, atom interferometers are employed for precision metrology, in particular to measure time and to realize the second. In a classical interferometer, an ensemble of atoms is prepared in ...
  • Barranco, German Fernandez; Sheard, Benjamin S.; Dahl, Christian; Mathis, Wolfgang; Heinzel, Gerhard (Piscataway, NJ : Institute of Electrical and Electronics Engineers Inc., 2018)
    Intersatellite laser interferometers feature quadrant photoreceivers to produce electrical signals from the interfered optical beams. In the particular case of LISA, the expected optical AC beat note has an amplitude of ...
  • Li, Y.Q.; Dong, Y.H.; Liu, H.S.; Luo, Z.R.; Jin, G. (Bristol : Institute of Physics Publishing, 2017)
    A simulation was investigated to better understand the impacts and effects of the additional technical noises on weak-light phase-locking for space laser interferometer. The result showed that the locking precision was ...
  • Lieser, Maike; Fitzsimons, E.; Isleif, Katharina-Sophie; Killow, C.; Perreur-Lloyd, M.; Robertson, D.; Schuster, S.; Tröbs, Michael; Veith, S.; Ward, H.; Heinzel, Gerhard; Danzmann, Karsten (Bristol : Institute of Physics Publishing, 2016)
    In the planned eLISA mission a key part of the system is the optical bench that holds the interferometers for reading out the inter-spacecraft distance and the test mass position. We report on ongoing technology development ...
  • Kawazoe, Fumiko; Taylor, John Robert; Bertolini, Alessandro; Born, Michael; Chen, Yanbei; Dahl, Katrin; Gering, Daniel; Goßler, Stefan; Gräf, Christian; Heinzel, Gerhard; Hild, Stefan; Kranz, Oliver; Kühn, Gerrit; Lück, Harald; Mossavi, Kasem; Schnabel, Roman; Somiya, Kentaro; Strain, Kenneth A.; Wanner, Alexander; Westphal, Tobias; Willke, Benno; Danzmann, Karsten (Bristol : IOP Publishing Ltd., 2010)
    The AEI 10 m Prototype is in its designing phase and will provide a test-bed for very sensitive interferometric experiments, such as the sub-SQL interferometer. It will test new techniques to reach - and even surpass - the ...
  • Li, Yinan; Kästner, Markus; Reithmeier, Eduard (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    Vertical scanning interferometry (VSI) techniques are widely used to profile microscopic surface structures of industrial products. This paper introduces a high-precision fast optical measurement system with an optimized ...
  • Barke, S.; Tröbs, Michael; Sheard, Benjamin; Heinzel, Gerhard; Danzmann, Karsten (Heidelberg : Springer Verlag, 2010)
    The Laser Interferometer Space Antenna (LISA) is a joint ESA/NASA mission proposed to observe gravitational waves. One important noise source in the LISA phase measurement will be on-board reference oscillators. An ...
  • Abich, Klaus; Bogan, Christina; Braxmaier, Claus; Danzmann, Karsten; Dehne, Marina; Gohlke, Martin; Görth, Alexander; Heinzel, Gerhard; Herding, Mark; Mahrdt, Christoph; Müller, Vitali; Nicklaus, Kolja; Sanjuan, Josep; Schütze, Daniel; Sheard, Benjamin; Stede, Gunnar; Voss, Kai (Bristol : Institute of Physics Publishing, 2015)
    The Gravity Recovery and Climate Experiment (GRACE) is a joint US/German mission that has been mapping the Earth's gravity field since 2002 by measuring the distance variations between two spacecraft using a micro-wave ...
  • Aufmuth, Peter; Danzmann, Karsten (Bristol : Institute of Physics Publishing, 2005)
    The existence of gravitational radiation is a prediction of Einstein's general theory of relativity. Gravitational waves are perturbations in the curvature of spacetime caused by accelerated masses. Since the 1960s ...
  • Abbott, B.P.; Abbott, R.; Abbott, T.D.; Acernese, F.; Ackley, K.; et al.; LIGO Scientific Collaboration; Virgo Collaboration (College Park, MD : American Physical Society, 2017)
    We describe the observation of GW170104, a gravitational-wave signal produced by the coalescence of a pair of stellar-mass black holes. The signal was measured on January 4, 2017 at 10 11:58.6 UTC by the twin advanced ...
  • Paczkowski, S.; et al.; LPF Collaboration (Bristol : Institute of Physics Publishing, 2017)
    The LISA Pathfinder mission is a technology demonstrator for a LISA-like gravitational wave observatory in space. Its first results already exceed the expectations. This is also true for the optical metrology system which ...
  • Friedrich, Daniel; Kaufer, Henning; Westphal, Tobias; Yamamoto, K.; Sawadsky, Andreas; Ya Khalili, F.; Danilishin, S.L.; Goßler, Stefan; Danzmann, Karsten; Schnabel, Roman (Bristol : IOP Publishing Ltd., 2011)
    The sensitivity of laser interferometers can be pushed into regimes that enable the direct observation of the quantum behaviour of mechanical oscillators. In the past, membranes with subwavelength thickness (thin films) ...
  • Adya, Vaishali Badrish; Leavey, Sean; Lück, Harald; Graf, Christian; Hild, Stefan (Bristol : Institute of Physics Publishing, 2016)
    In this paper we describe a feasible length sensing and control scheme for the low frequency interferometers of the Einstein Telescope (ET-LF) along with the techniques used to optimise several optical parameters, including ...
  • Koch, A.; Sanjuan, J.; Gohlke, M.; Mahrdt, C.; Brause, N.; Braxmaier, C.; Heinzel, G. (Washington, DC : Optical Society of America, 2018)
    The laser ranging interferometer (LRI) on board of the GRACE follow-on spacecraft, launched in May 2018, is the first laser interferometer to perform an inter-satellite range measurement. It is designed for ranging noise ...
  • Born, Michael; LISA Pathfinder Collaboration; et al. (Bristol : Institute of Physics Publishing, 2017)
    The optical metrology system (OMS) of the LISA Pathfinder mission is measuring the distance between two free-floating test masses with unprecedented precision. One of the four OMS heterodyne interferometers reads out the ...
  • Audley, Heather E.; LISA Pathfinder Collaboration (Bristol : Institute of Physics Publishing, 2017)
    The LISA Pathfinder (LPF) mission has demonstrated excellent performance. In addition to having surpassed the main mission goals, data has been collected from the various subsystems throughout the duration of the mission. ...
  • Schunert, A.; Schack, L.; Sörgel, Uwe (Göttingen : Copernicus GmbH, 2012)
    Persistent Scatterer Interferometry (PSI) is by now a mature technique for the estimation of surface deformation in urban areas. In contrast to the classical interferometry a stack of interferograms is used to minimize the ...
  • Schütze, Daniel (Bristol : Institute of Physics Publishing, 2016)
    The GRACE mission that was launched in 2002 has impressively proven the feasibility of low-orbit satellite-to-satellite tracking for Earth gravity observations. Especially mass transport related to Earth's hydrological ...
  • Schlobohm, Jochen; Li, Yinan; Pösch, Andreas; Langmann, Benjamin; Kästner, Markus; Reithmeier, Eduard (Amsterdam : Elsevier, 2014)
    The inspection of capital goods with complex geometries is a challenging task due to the limited maneuvering and measuring space available. We developed a set of optical measurement systems for the inline inspection of ...
  • Abbott, B.P.; Abbott, R.; Abbott, T.D.; Abernathy, M.R.; Acernese, F.; et al.; LIGO Scientific Collaboration; Virgo Collaboration (College Park, MD : American Physical Society, 2016)
    On September 14, 2015 at 09:50:45 UTC the two detectors of the Laser Interferometer Gravitational-Wave Observatory simultaneously observed a transient gravitational-wave signal. The signal sweeps upwards in frequency from ...