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Related papers: Time Delay Interferometry and LISA Optimal Sensiti…

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The space-based gravitational-wave observatory LISA, a NASA-ESA mission to be launched after 2012, will achieve its optimal sensitivity using Time Delay Interferometry (TDI), a LISA-specific technique needed to cancel the otherwise…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Michele Vallisneri

The LISA mission is a space interferometer aiming at the detection of gravitational waves in the [$10^{-4}$,$10^{-1}$] Hz frequency band. In order to reach the gravitational wave detection level, a Time Delay Interferometry (TDI) method…

General Relativity and Quantum Cosmology · Physics 2008-11-26 S. Pireaux

The Laser Interferometer Space Antenna (LISA) is a gravitational wave detector in space. It relies on a post-processing technique named time-delay interferometry (TDI) to suppress the overwhelming laser frequency noise by several orders of…

The Laser Interferometer Space Antenna (LISA) is a future space-based gravitational wave (GW) detector designed to be sensitive to sources radiating in the low frequency regime (0.1 mHz to 1 Hz). LISA's interferometer signals will be…

Instrumentation and Methods for Astrophysics · Physics 2022-05-25 Sourath Ghosh , Josep Sanjuan , Guido Mueller

We report on the first demonstration of time-delay interferometry (TDI) for LISA, the Laser Interferometer Space Antenna. TDI was implemented in a laboratory experiment designed to mimic the noise couplings that will occur in LISA. TDI…

Instrumentation and Methods for Astrophysics · Physics 2015-03-17 Glenn de Vine , Brent Ware , Kirk McKenzie , Robert E. Spero , William M. Klipstein , Daniel A. Shaddock

We anticipate noise from the Laser Interferometer Space Antenna (LISA) will exhibit nonstationarities throughout the duration of its mission due to factors such as antenna repointing, cyclostationarities from spacecraft motion, and glitches…

General Relativity and Quantum Cosmology · Physics 2020-10-29 Matthew C. Edwards , Patricio Maturana-Russel , Renate Meyer , Jonathan Gair , Natalia Korsakova , Nelson Christensen

Variations in the instrumental noise of the Laser Interferometer Space Antenna (LISA) over time are expected as a result of e.g. scheduled satellite operations or unscheduled glitches. We demonstrate that these fluctuations can be leveraged…

General Relativity and Quantum Cosmology · Physics 2025-05-07 James Alvey , Uddipta Bhardwaj , Valerie Domcke , Mauro Pieroni , Christoph Weniger

The space-based gravitational-wave observatory LISA relies on a form of synthetic interferometry (time-delay interferometry, or TDI) where the otherwise overwhelming laser phase noise is canceled by linear combinations of appropriately…

General Relativity and Quantum Cosmology · Physics 2021-04-28 Michele Vallisneri , Jean-Baptiste Bayle , Stanislav Babak , Antoine Petiteau

Time-Delay Interferometry (TDI) is the data processing technique that cancels the large laser phase fluctuations affecting the heterodyne Doppler measurements made by unequal-arm space-based gravitational wave interferometers. The space of…

General Relativity and Quantum Cosmology · Physics 2023-04-26 Massimo Tinto , Sanjeev Dhurandhar , Dishari Malakar

The Laser Interferometer Space Antenna (LISA) will enable direct observations of low-frequency gravitational waves, offering unprecedented insight into astrophysical and cosmological phenomena. LISA's heterodyne interferometric measurement…

Instrumentation and Detectors · Physics 2025-08-26 Gerhard Heinzel , Javier Álvarez-Vizoso , Miguel Dovale-Álvarez

The LISA time-delay-interferometry responses to a gravitational-wave signal are rewritten in a form that accounts for the motion of the LISA constellation around the Sun; the responses are given in closed analytic forms valid for any…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Andrzej Krolak , Massimo Tinto , Michele Vallisneri

The Laser Interferometer Space Antenna (LISA) is a European Space Agency mission that aims to measure gravitational waves in the millihertz range. The three-spacecraft constellation forms a nearly-equilateral triangle, which experiences…

Instrumentation and Methods for Astrophysics · Physics 2021-07-07 Olaf Hartwig , Jean-Baptiste Bayle

The purpose of this paper is twofold. First, we will present recent results on the data processing for LISA, including algorithms for elimination of clock jitter noise and discussion of the generation of the data averages that will…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Ronald W. Hellings

Space-based interferometric gravitational wave instruments such as the ESA/NASA Laser Interferometer Space Antenna (LISA) observe gravitational waves by measuring changes in the light travel time between widely-separated spacecraft. One…

Instrumentation and Methods for Astrophysics · Physics 2021-09-08 Oliver Jennrich , Nora Lutzgendorf , James Ira Thorpe , Jacob Slutsky , Curt Cutler

Equal-arm interferometric detectors of gravitational radiation allow phase measurements many orders of magnitude below the intrinsic phase stability of the laser injecting light into their arms. This is because the noise in the laser light…

General Relativity and Quantum Cosmology · Physics 2021-03-25 Massimo Tinto , Sanjeev V. Dhurandhar

For the LISA and Taiji missions, both transient and continuous data anomalies would pose significant challenges to the detection, estimation, and subsequent scientific interpretation of gravitational wave signals. As is indicated by the…

General Relativity and Quantum Cosmology · Physics 2024-11-12 Pengzhan Wu , Minghui Du , Peng Xu

Each spacecraft in the Laser Interferometer Space Antenna houses a proof mass which follows a geodesic through spacetime. Disturbances which change the proof mass position, momentum, and/or acceleration will appear in the LISA data stream…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Scott E Pollack

A unique challenge for data analysis with the Laser Interferometer Space Antenna (LISA) is that the noise backgrounds from instrumental noise and astrophysical sources will change significantly over both the year and the entire mission.…

Instrumentation and Methods for Astrophysics · Physics 2022-11-30 Matthew C. Digman , Neil J. Cornish

The orbiting LISA instrument is designed to detect gravitational waves in the millihertz band, produced by sources including galactic binaries and extreme mass ratio inspirals, among others. The detector consists of three spacecraft, each…

General Relativity and Quantum Cosmology · Physics 2025-01-15 Orion Sauter , Peter Wass , Wiler Sanchez , Henri Inchauspé

The observation of massive black hole binary systems is one of the main science objectives of the Laser Interferometer Space Antenna (LISA). The instrument's design requirements have recently been revised: they set a requirement at…

General Relativity and Quantum Cosmology · Physics 2023-07-05 Geraint Pratten , Antoine Klein , Christopher J. Moore , Hannah Middleton , Nathan Steinle , Patricia Schmidt , Alberto Vecchio