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is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1205.4544">arXiv:1205.4544</a> <span> [<a href="https://arxiv.org/pdf/1205.4544">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1109/JQE.2011.2108637">10.1109/JQE.2011.2108637 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Digital laser frequency control and phase stabilization loops for a high precision space-borne metrology system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hechenblaikner%2C+G">Gerald Hechenblaikner</a>, <a href="/search/physics?searchtype=author&query=Wand%2C+V">Vinzenz Wand</a>, <a href="/search/physics?searchtype=author&query=Kersten%2C+M">Michael Kersten</a>, <a href="/search/physics?searchtype=author&query=Danzmann%2C+K">Karsten Danzmann</a>, <a href="/search/physics?searchtype=author&query=Garcia%2C+A">Antonio Garcia</a>, <a href="/search/physics?searchtype=author&query=Heinzel%2C+G">Gerhard Heinzel</a>, <a href="/search/physics?searchtype=author&query=Nofrarias%2C+M">Miquel Nofrarias</a>, <a href="/search/physics?searchtype=author&query=Steier%2C+F">Frank Steier</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1205.4544v1-abstract-short" style="display: inline;"> We report on the design, implementation and characterization of fully digital control loops for laser frequency stabilization, differential phase-locking and performance optimization of the optical metrology system on-board the LISA Pathfinder space mission. The optical metrology system consists of a laser with modulator, four Mach-Zehnder interferometers, a phase-meter and a digital processing un… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1205.4544v1-abstract-full').style.display = 'inline'; document.getElementById('1205.4544v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1205.4544v1-abstract-full" style="display: none;"> We report on the design, implementation and characterization of fully digital control loops for laser frequency stabilization, differential phase-locking and performance optimization of the optical metrology system on-board the LISA Pathfinder space mission. The optical metrology system consists of a laser with modulator, four Mach-Zehnder interferometers, a phase-meter and a digital processing unit for data analysis. The digital loop design has the advantage of easy and flexible controller implementation and loop calibration, automated and flexible locking and resetting, and improved performance over analogue circuitry. Using the practical ability of our system to modulate the laser frequency allows us to accurately determine the open loop transfer function and other system properties. Various noise sources and their impact on system performance are investigated in detail. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1205.4544v1-abstract-full').style.display = 'none'; document.getElementById('1205.4544v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 May, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 7 figures; draft only, for edited version see journal link</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> IEEE Journal of Quantum Electronics, Vol. 47, No. 5, p.p. 651 (2011) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1203.4478">arXiv:1203.4478</a> <span> [<a href="https://arxiv.org/pdf/1203.4478">pdf</a>, <a href="https://arxiv.org/format/1203.4478">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Space Physics">physics.space-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1364/AO.46.004541">10.1364/AO.46.004541 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Real-time phasefront detector for heterodyne interferometers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Cervantes%2C+F+G">Felipe Guzm谩n Cervantes</a>, <a href="/search/physics?searchtype=author&query=Heinzel%2C+G">Gerhard Heinzel</a>, <a href="/search/physics?searchtype=author&query=Mar%C3%ADn%2C+A+F+G">Antonio F. Garc铆a Mar铆n</a>, <a href="/search/physics?searchtype=author&query=Wand%2C+V">Vinzenz Wand</a>, <a href="/search/physics?searchtype=author&query=Steier%2C+F">Frank Steier</a>, <a href="/search/physics?searchtype=author&query=Jennrich%2C+O">Oliver Jennrich</a>, <a href="/search/physics?searchtype=author&query=Danzmann%2C+K">Karsten Danzmann</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1203.4478v1-abstract-short" style="display: inline;"> We present a real-time differential phasefront detector sensitive to better than 3 mrad rms, which corresponds to a precision of about 500 pm. This detector performs a spatially resolving measurement of the phasefront of a heterodyne interferometer, with heterodyne frequencies up to approximately 10 kHz. This instrument was developed as part of the research for the LISA Technology Package (LTP) in… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1203.4478v1-abstract-full').style.display = 'inline'; document.getElementById('1203.4478v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1203.4478v1-abstract-full" style="display: none;"> We present a real-time differential phasefront detector sensitive to better than 3 mrad rms, which corresponds to a precision of about 500 pm. This detector performs a spatially resolving measurement of the phasefront of a heterodyne interferometer, with heterodyne frequencies up to approximately 10 kHz. This instrument was developed as part of the research for the LISA Technology Package (LTP) interferometer, and will assist in the manufacture of its flight model. Due to the advantages this instrument offers, it also has general applications in optical metrology. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1203.4478v1-abstract-full').style.display = 'none'; document.getElementById('1203.4478v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 March, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Applied Optics, Vol. 46, Issue 21, pp. 4541-4548 (2007) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1006.2122">arXiv:1006.2122</a> <span> [<a href="https://arxiv.org/pdf/1006.2122">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Optics">physics.optics</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Space Physics">physics.space-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1364/AO.49.005665">10.1364/AO.49.005665 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Coupling characterization and noise studies of the Optical Metrology System on-board the LISA Pathfinder Mission </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hechenblaikner%2C+G">G. Hechenblaikner</a>, <a href="/search/physics?searchtype=author&query=Gerndt%2C+R">R. Gerndt</a>, <a href="/search/physics?searchtype=author&query=Johann%2C+U">U. Johann</a>, <a href="/search/physics?searchtype=author&query=Luetzow-Wentzky%2C+P">P. Luetzow-Wentzky</a>, <a href="/search/physics?searchtype=author&query=Wand%2C+V">V. Wand</a>, <a href="/search/physics?searchtype=author&query=Audley%2C+H">H. Audley</a>, <a href="/search/physics?searchtype=author&query=Danzmann%2C+K">K. Danzmann</a>, <a href="/search/physics?searchtype=author&query=Garcia-Marin%2C+A">A. Garcia-Marin</a>, <a href="/search/physics?searchtype=author&query=Heinzel%2C+G">G. Heinzel</a>, <a href="/search/physics?searchtype=author&query=Nofrarias%2C+M">M. Nofrarias</a>, <a href="/search/physics?searchtype=author&query=Steier%2C+F">F. Steier</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1006.2122v1-abstract-short" style="display: inline;"> In this article we describe the first investigations of the complete engineering model of the Optical Metrology System (OMS), a key subsystem of the LISA Pathfinder science mission to space. The latter itself is a technological precursor mission to LISA, a space-borne gravitational wave detector. At its core, the OMS consists of four heterodyne Mach Zehnder interferometers, a highly stable laser w… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1006.2122v1-abstract-full').style.display = 'inline'; document.getElementById('1006.2122v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1006.2122v1-abstract-full" style="display: none;"> In this article we describe the first investigations of the complete engineering model of the Optical Metrology System (OMS), a key subsystem of the LISA Pathfinder science mission to space. The latter itself is a technological precursor mission to LISA, a space-borne gravitational wave detector. At its core, the OMS consists of four heterodyne Mach Zehnder interferometers, a highly stable laser with external modulator and a phase-meter. It is designed to monitor and track the longitudinal motion and attitude of two floating test-masses in the optical reference frame with a (relative) precision in the picometer and nanorad range, respectively. We analyze sensor signal correlations and determine a physical sensor noise limit. The coupling parameters between motional degrees of freedom and interferometer signals are analytically derived and compared to measurements. We also measure adverse cross-coupling effects originating from system imperfections and limitations and describe algorithmic mitigation techniques to overcome some of them. Their impact on system performance is analyzed in the context of the Pathfinder mission. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1006.2122v1-abstract-full').style.display = 'none'; document.getElementById('1006.2122v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 June, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">34 pages double-spaced 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Appl.Opt.49:5665-5677,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1006.0678">arXiv:1006.0678</a> <span> [<a href="https://arxiv.org/pdf/1006.0678">pdf</a>, <a href="https://arxiv.org/ps/1006.0678">ps</a>, <a href="https://arxiv.org/format/1006.0678">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Geophysics">physics.geo-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/0264-9381/27/22/225011">10.1088/0264-9381/27/22/225011 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Characterization of the seismic environment at the Sanford Underground Laboratory, South Dakota </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Harms%2C+J">Jan Harms</a>, <a href="/search/physics?searchtype=author&query=Acernese%2C+F">Fausto Acernese</a>, <a href="/search/physics?searchtype=author&query=Barone%2C+F">Fabrizio Barone</a>, <a href="/search/physics?searchtype=author&query=Bartos%2C+I">Imre Bartos</a>, <a href="/search/physics?searchtype=author&query=Beker%2C+M">Mark Beker</a>, <a href="/search/physics?searchtype=author&query=Brand%2C+J+F+J+v+d">J. F. J. van den Brand</a>, <a href="/search/physics?searchtype=author&query=Christensen%2C+N">Nelson Christensen</a>, <a href="/search/physics?searchtype=author&query=Coughlin%2C+M">Michael Coughlin</a>, <a href="/search/physics?searchtype=author&query=DeSalvo%2C+R">Riccardo DeSalvo</a>, <a href="/search/physics?searchtype=author&query=Dorsher%2C+S">Steven Dorsher</a>, <a href="/search/physics?searchtype=author&query=Heise%2C+J">Jaret Heise</a>, <a href="/search/physics?searchtype=author&query=Kandhasamy%2C+S">Shivaraj Kandhasamy</a>, <a href="/search/physics?searchtype=author&query=Mandic%2C+V">Vuk Mandic</a>, <a href="/search/physics?searchtype=author&query=M%C3%A1rka%2C+S">Szabolcs M谩rka</a>, <a href="/search/physics?searchtype=author&query=M%C3%BCller%2C+G">Guido M眉ller</a>, <a href="/search/physics?searchtype=author&query=Naticchioni%2C+L">Luca Naticchioni</a>, <a href="/search/physics?searchtype=author&query=O%27Keefe%2C+T">Thomas O'Keefe</a>, <a href="/search/physics?searchtype=author&query=Rabeling%2C+D+S">David S. Rabeling</a>, <a href="/search/physics?searchtype=author&query=Sajeva%2C+A">Angelo Sajeva</a>, <a href="/search/physics?searchtype=author&query=Trancynger%2C+T">Tom Trancynger</a>, <a href="/search/physics?searchtype=author&query=Wand%2C+V">Vinzenz Wand</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1006.0678v1-abstract-short" style="display: inline;"> An array of seismometers is being developed at the Sanford Underground Laboratory, the former Homestake mine, in South Dakota to study the properties of underground seismic fields and Newtonian noise, and to investigate the possible advantages of constructing a third-generation gravitational-wave detector underground. Seismic data were analyzed to characterize seismic noise and disturbances. Exter… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1006.0678v1-abstract-full').style.display = 'inline'; document.getElementById('1006.0678v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1006.0678v1-abstract-full" style="display: none;"> An array of seismometers is being developed at the Sanford Underground Laboratory, the former Homestake mine, in South Dakota to study the properties of underground seismic fields and Newtonian noise, and to investigate the possible advantages of constructing a third-generation gravitational-wave detector underground. Seismic data were analyzed to characterize seismic noise and disturbances. External databases were used to identify sources of seismic waves: ocean-wave data to identify sources of oceanic microseisms, and surface wind-speed data to investigate correlations with seismic motion as a function of depth. In addition, sources of events contributing to the spectrum at higher frequencies are characterized by studying the variation of event rates over the course of a day. Long-term observations of spectral variations provide further insight into the nature of seismic sources. Seismic spectra at three different depths are compared, establishing the 4100-ft level as a world-class low seismic-noise environment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1006.0678v1-abstract-full').style.display = 'none'; document.getElementById('1006.0678v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 June, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">29 pages, 16 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Class.Quant.Grav.27:225011,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/physics/0604011">arXiv:physics/0604011</a> <span> [<a href="https://arxiv.org/pdf/physics/0604011">pdf</a>, <a href="https://arxiv.org/ps/physics/0604011">ps</a>, <a href="https://arxiv.org/format/physics/0604011">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Space Physics">physics.space-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/0264-9381/23/8/S18">10.1088/0264-9381/23/8/S18 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> On-orbit alignment and diagnostics for the LISA Technology Package </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marin%2C+A+F+G">A F Garcia Marin</a>, <a href="/search/physics?searchtype=author&query=Wand%2C+V">V Wand</a>, <a href="/search/physics?searchtype=author&query=Steier%2C+F">F Steier</a>, <a href="/search/physics?searchtype=author&query=Cervantes%2C+F+G">F Guzman Cervantes</a>, <a href="/search/physics?searchtype=author&query=Bogenstahl%2C+J">J Bogenstahl</a>, <a href="/search/physics?searchtype=author&query=Jennrich%2C+O">O Jennrich</a>, <a href="/search/physics?searchtype=author&query=Heinzel%2C+G">G Heinzel</a>, <a href="/search/physics?searchtype=author&query=Danzmann%2C+K">K Danzmann</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="physics/0604011v1-abstract-short" style="display: inline;"> This paper presents a procedure to perform fully autonomous on-orbit alignment of the interferometer on board the LISA Technology Package (LTP). LTP comprises two free-floating test masses as inertial sensors that additionally serve as end mirrors of a set of interferometers. From the output signals of the interferometers, a subset has been selected to obtain alignment information of the test ma… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0604011v1-abstract-full').style.display = 'inline'; document.getElementById('physics/0604011v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="physics/0604011v1-abstract-full" style="display: none;"> This paper presents a procedure to perform fully autonomous on-orbit alignment of the interferometer on board the LISA Technology Package (LTP). LTP comprises two free-floating test masses as inertial sensors that additionally serve as end mirrors of a set of interferometers. From the output signals of the interferometers, a subset has been selected to obtain alignment information of the test masses. Based on these signals, an alignment procedure was developed and successfully tested on the engineering model of the optical bench. Furthermore, operation procedures for the characterization of critical on-orbit properties of the optical metrology system (e.g. fibre noise) have been established. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0604011v1-abstract-full').style.display = 'none'; document.getElementById('physics/0604011v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 April, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2006. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">7 pages, 6 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Class.Quant.Grav.23:S133-S140,2006 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/physics/0603241">arXiv:physics/0603241</a> <span> [<a href="https://arxiv.org/pdf/physics/0603241">pdf</a>, <a href="https://arxiv.org/ps/physics/0603241">ps</a>, <a href="https://arxiv.org/format/physics/0603241">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Space Physics">physics.space-ph</span> </div> </div> <p class="title is-5 mathjax"> Phase locking to a LISA arm: first results on a hardware model </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Marin%2C+A+F+G">Antonio F Garcia Marin</a>, <a href="/search/physics?searchtype=author&query=Heinzel%2C+G">Gerhard Heinzel</a>, <a href="/search/physics?searchtype=author&query=Schilling%2C+R">Roland Schilling</a>, <a href="/search/physics?searchtype=author&query=Ruediger%2C+A">Albrecht Ruediger</a>, <a href="/search/physics?searchtype=author&query=Wand%2C+V">Vinzenz Wand</a>, <a href="/search/physics?searchtype=author&query=Steier%2C+F">Frank Steier</a>, <a href="/search/physics?searchtype=author&query=Cervantes%2C+F+G">Felipe Guzman Cervantes</a>, <a href="/search/physics?searchtype=author&query=Weidner%2C+A">Andreas Weidner</a>, <a href="/search/physics?searchtype=author&query=Jennrich%2C+O">Oliver Jennrich</a>, <a href="/search/physics?searchtype=author&query=Meca%2C+F+J+M">Francisco J Meca Meca</a>, <a href="/search/physics?searchtype=author&query=Danzmann%2C+K">Karsten Danzmann</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="physics/0603241v1-abstract-short" style="display: inline;"> We present the first experimental confirmation of the so-called "self-phaselocked delay interferometry". This laser frequency stabilization technique consists basically in comparing the prompt laser signal with a delayed version of itself that has been reflected in another LISA satellite 5 million km away. In our table-top experiment, the phase of a voltage-controlled oscillator is stabilized by… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0603241v1-abstract-full').style.display = 'inline'; document.getElementById('physics/0603241v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="physics/0603241v1-abstract-full" style="display: none;"> We present the first experimental confirmation of the so-called "self-phaselocked delay interferometry". This laser frequency stabilization technique consists basically in comparing the prompt laser signal with a delayed version of itself that has been reflected in another LISA satellite 5 million km away. In our table-top experiment, the phase of a voltage-controlled oscillator is stabilized by means of a control loop based on this technique. In agreement with the theory, the measured unity gain frequency is not limited by the inverse of the used delay (1.6 microseconds). In the time domain, the system also behaves as predicted, including the appearance of a quasi-periodic "ringing" just after the lock acquisition, which decays exponentially. Its initial amplitude is smaller when the loop gain is slowly ramped up instead of suddenly switched on. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0603241v1-abstract-full').style.display = 'none'; document.getElementById('physics/0603241v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 March, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2006. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Class.Quant.Grav. 22 (2005) S235-S242 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a 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