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Related papers: Arm locking performance with the new LISA design

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Raw space-based gravitational-wave data like LISA's phase measurements are dominated by laser frequency noise. The standard technique to make this data usable for science is time-delay interferometry (TDI), which cancels laser noise terms…

General Relativity and Quantum Cosmology · Physics 2023-04-12 Quentin Baghi , John G. Baker , Jacob Slutsky , James Ira Thorpe

Interferometric gravitational-wave detectors like LIGO need to be able to measure changes in their arm lengths of order $10^{-18}~$m or smaller. This requires very high laser power in order to raise the signal above shot noise. One…

Applied Physics · Physics 2019-12-11 S. Biscans , S. Gras , C. D. Blair , J. Driggers , M. Evans , P. Fritschel , T. Hardwick , G. Mansell

The Laser Interferometer Space Antenna is a foreseen space-based gravitational wave detector, which aims to detect 10^20 strains in the frequency range from 0.1 mHz to 1 Hz. It is a triangular constellation of three spacecraft, with equal…

Instrumentation and Methods for Astrophysics · Physics 2022-02-17 C P Sasso , G Mana , S Mottini

Data from the Laser Interferometer Space Antenna (LISA) is expected to be dominated by frequency noise from its lasers. However the noise from any one laser appears more than once in the data and there are combinations of the data that are…

General Relativity and Quantum Cosmology · Physics 2009-11-11 J. D. Romano , G. Woan

We calculate the angular resolution of the planned LISA detector, a space-based laser interferometer for measuring low-frequency gravitational waves from galactic and extragalactic sources. LISA is not a pointed instrument; it is an all-sky…

General Relativity and Quantum Cosmology · Physics 2009-10-30 Curt Cutler

Time-delay interferometry (TDI) is essential for space-based gravitational wave (GW) missions to effectively suppress laser frequency noise and achieve targeting sensitivity. The principle of the TDI is to synthesize multiple laser link…

General Relativity and Quantum Cosmology · Physics 2024-03-05 Gang Wang

Laser Interferometer Space Antenna LISA represents the next frontier in gravitationalwave GW astronomy targeting the detection of millihertz gravitational signals Central to LISAs operation is the nanosecondprecision estimation of the light…

General Relativity and Quantum Cosmology · Physics 2025-07-28 Jean-Baptiste Bayle , Martin Staab , Samuel P. Francis , Emily Rose Rees , Robert Spero , Gerhard Heinzel

The Laser Interferometer Space Antenna (LISA) is a planned space-based gravitational wave telescope with the goal of measuring gravitational waves in the milli-Hertz frequency band, which is dominated by millions of Galactic binaries. While…

Instrumentation and Methods for Astrophysics · Physics 2023-07-11 Stefan H. Strub , Luigi Ferraioli , Cédric Schmelzbach , Simon C. Stähler , Domenico Giardini

Objects sensed by laser interferometers are usually not stable in position or orientation. This angular instability can lead to a coupling of angular tilt to apparent longitudinal displacement -- tilt-to-length coupling (TTL). In LISA this…

Instrumentation and Methods for Astrophysics · Physics 2018-04-24 M Tröbs , S Schuster , M Lieser , M Zwetz , M Chwalla , K Danzmann , G Fernandez Barranco , E D Fitzsimons , O Gerberding , G Heinzel , C J Killow , M Perreur-Lloyd , D I Robertson , T S Schwarze , G Wanner , H Ward

The Laser Interferometer Space Antenna (LISA) is expected to detect gravitational radiation from a large number of compact binary systems. We present a method by which these signals can be identified and have their parameters estimated. Our…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Richard Umstätter , Nelson Christensen , Martin Hendry , Renate Meyer , Vimal Simha , John Veitch , Sarah Vigeland , Graham Woan

We discuss a multimessenger strategy to detect radio pulses from Galactic binary neutron stars in a very tight orbit with the period shorter than 10 min. On one hand, all-sky surveys by radio instruments are inefficient for detecting faint…

High Energy Astrophysical Phenomena · Physics 2018-12-31 Koutarou Kyutoku , Yuki Nishino , Naoki Seto

The planned Laser Interferometer Space Antenna (LISA) is expected to detect gravitational wave signals from ~100 extreme-mass-ratio inspirals (EMRIs) of stellar-mass compact objects into massive black holes. The long duration and large…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Jonathan R Gair , Ilya Mandel , Linqing Wen

I review the scientific potential of the Laser Interferometer Space Antenna (LISA), a space-borne gravitational wave (GW) observatory to be launched in the early 30s'. Thanks to its sensitivity in the milli-Hz frequency range, LISA will…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-26 Alberto Sesana

Cosmic string networks offer one of the best prospects for detection of cosmological gravitational waves (GWs). The combined incoherent GW emission of a large number of string loops leads to a stochastic GW background (SGWB), which encodes…

Driver gaze estimation serves as a fundamental metric for evaluating driver attentiveness in modern monitoring systems. Beyond being vulnerable to sudden lighting changes and sensor noise, spatial-domain models struggle to disentangle…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jun Ma , Zhenye Yang , Ruichen Zhou , Pei Zhang , Huan Li , Jinpeng Chen

Low-noise temperature measurements at frequencies in the milli-Hertz range are needed in the LISA and LISA PathFinder (LPF). The required temperature stability for LISA is around 10 uK/sqrt(Hz) at frequencies down to 0.1 mHz. In this paper…

General Relativity and Quantum Cosmology · Physics 2010-02-25 J. Sanjuan , A. Lobo , J. Ramos-Castro

Time-delay interferometry (TDI) is essential for suppressing laser frequency noise in space-based gravitational wave (GW) observatories such as LISA. However, current second-generation TDI schemes often exhibit undesirable null frequencies…

General Relativity and Quantum Cosmology · Physics 2026-01-19 Gang Wang

The space-based Laser Interferometer Space Antenna (LISA) will be able to observe the gravitational-wave signals from systems comprised of a massive black hole and a stellar-mass compact object. These systems are known as extreme-mass-ratio…

The ESA/NASA joint LISA (laser interferometer space antenna) mission is designed to detect gravitational waves, which relies crucially on maintaining three-spacecraft constellation as close to an equilateral triangle with a designed…

General Relativity and Quantum Cosmology · Physics 2025-01-24 Yaguang Yang

In this work, we have built an experimental setup to simulate the clock noise transmission with two spacecrafts and two optical links, and further demonstrated the extraction of picometer level signal drowned by the large laser frequency…

Instrumentation and Methods for Astrophysics · Physics 2023-10-31 Mingyang Xu , Yujie Tan , Yurong Liang , Jiawen Zhi , Xiaoyang Guo , Dan Luo , Panpan Wang , Hanzhong Wu , Chenggang Shao