Browsing by Subject "Interferometry"

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  • Kalia, Andre Cahyadi (Basel : MDPI AG, 2018)
    Landslides are a major natural hazard which can cause significant damage, economic loss, and loss of life. Between the years of 2004 and 2016, 55,997 fatalities caused by landslides were reported worldwide. Up-to-date, ...
  • Isleif, Katharina-Sophie; Gerberding, Oliver; Mehmet, Moritz; Schwarze, Thomas S.; Heinzel, Gerhard; Danzmann, Karsten (Bristol : Institute of Physics Publishing, 2016)
    Laser interferometric readout systems with 1pm √Hz precision over long time scales have successfully been developed for LISA and LISA Pathfinder. Future gravitational physics experiments, for example in the fields of ...
  • Vajedian, Sanaz; Motagh, Mahdi; Mousavi, Zahra; Motaghi, Khalil; Fielding, Eric J.; Akbari, Bahman; Wetzel, Hans-Ulrich; Darabi, Aliakbar (Basel : MDPI AG, 2018)
    The study of crustal deformation fields caused by earthquakes is important for a better understanding of seismic hazard and growth of geological structures in tectonically active areas. In this study, we present, using ...
  • Wittchen, A.; et al.; LPF Collaboration (Bristol : Institute of Physics Publishing, 2017)
    LISA Pathfinder is a technology demonstration mission for the space-based gravitational wave observatory, LISA. It demonstrated that the performance requirements for the interferometric measurement of two test masses in ...
  • Lachmann, M.D.; Ahlers, H.; Becker, D.; Seidel, S.T.; Wendrich, T.; Rasel, Ernst Maria; Ertmer, Wolfgang; MAIUS-Team (Bellingham, WA : SPIE - International Society for Optical Engineering, 2018)
    On 23rd of January 2017 the first Bose-Einstein Condensate (BEC) in Space was created on-board the sounding rocket mission MAIUS-1. The successful launch marks a major advancement in the effort of performing matter wave ...
  • 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 ...
  • Li, Tao; Motagh, Mahdi; Wang, Mingzhou; Zhang, Wei; Gong, Chunlong; Xiong, Xunan; He, Jinping; Chen, Lulu; Liu, Jingnan (Basel : MDPI AG, 2019)
    Middle-sized earth- and rock-filled dams with clay cores continue to settle by approximately 0.5-1.5% of their height for approximately 1-3 years after their construction phase. This paper investigates the use of high-resolution ...
  • Corgier, R.; Amri, S.; Herr, W.; Ahlers, H.; Rudolph, J.; Guéry-Odelin, D.; Rasel, Ernst Maria; Charron, E.; Gaaloul, Naceur (Bristol : Institute of Physics Publishing, 2018)
    We present a detailed theoretical analysis of the implementation of shortcut-to-adiabaticity protocols for the fast transport of neutral atoms with atom chips. The objective is to engineer transport ramps with durations ...
  • Spindeldreier, Christian; Bartosch, Wolfgang; Wendrich, Thijs; Rasel, Ernst Maria; Ertmer, Wolfgang; Blume, Holger (Bellingham, WA : SPIE - International Society for Optical Engineering, 2018)
    Frequency stabilized light sources with narrow linewidth are mandatory for atom interferometry based experiments. For compact experiment designs used on space platforms, tunable DFB diode lasers are often used. These lasers ...
  • Bayburt, S.; Kurtak, A.B.; Büyüksalih, G.; Jacobsen, Karsten (London : International Society for Photogrammetry and Remote Sensing, 2017)
    In a project area close to Istanbul the quality of WorldDEM, AW3D30, SRTM DSM and ASTER GDEM2 have been analyzed in relation to a reference aerial LiDAR DEM and to each other. The random and the systematic height errors ...
  • Neelmeijer, Julia; Schöne, Tilo; Dill, Robert; Klemann, Volker; Motagh, Mahdi (Basel : MDPI AG, 2018)
    We present ground deformations in response to water level variations at the Toktogul Reservoir, located in Kyrgyzstan, Central Asia. Ground deformations were measured by Envisat Advanced Synthetic Aperture Radar (ASAR) and ...
  • Dumke, R.; Müther, T.; Volk, M.; Ertmer, Wolfgang; Birkl, G. (American Physical Society, 2002)
    We experimentally demonstrate interferometer-type guiding structures for neutral atoms based on dipole potentials created by microfabricated optical systems. As a central element we use an array of atom waveguides being ...
  • 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 ...
  • 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 ...
  • Dettmer, S.; Hellweg, D.; Ryytty, P.; Arlt, Jan J.; Ertmer, Wolfgang; Sengstock, K.; Petrov, D.S.; Shlyapnikov, G.V.; Kreutzmann, H.; Santos, Luis; Lewenstein, M. (American Physical Society, 2001)
    The occurrence of phase fluctuations due to thermal excitations in Bose-Einstein condensates (BECs) is studied for a variety of temperatures and trap geometries. We observe the statistical nature of the appearance of phase ...
  • Sterin, Pavel; Wiegand, Julia; Hübner, Jens; Oestreich, Michael (College Park, MD : American Physical Society, 2018-03-05)
    Spin noise (SN) spectroscopy measurements on delicate semiconductor spin systems, like single (In,Ga) As quantum dots, are currently not limited by optical shot noise but rather by the electronic noise of the detection ...
  • Chacon, Alexis; Lein, Manfred; Ruiz, Camilo (College Park, MD : American Physical Society, 2013)
    We extend the ideas of wave-packet interferometry to implement the algorithm of spectral phase interferometry for direct electric-field reconstruction (SPIDER) for characterizing the amplitude and phase of electron wave ...
  • Traeger, Stefan (Hannover : Universität, 1998)
    [no abstract]
  • Hinderthür, H.; Pautz, A.; Rieger, V.; Ruschewitz, F.; Peng, J.L.; Sengstock, K.; Ertmer, Wolfgang (American Physical Society, 1997)
    We present an atom interferometer based on the interference of three partial matter waves in three different internal and external states. Coherent laser excitation acts as a beamsplitter to create a superposition state ...