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相关论文: Time-Delay Interferometry

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Space-based gravitational wave (GW) observatories, such as the future Laser Interferometer Space Antenna (LISA), employ synthetic Time Delay Interferometry (TDI) to cancel the otherwise overwhelming laser frequency noise. The phase readouts…

广义相对论与量子宇宙学 · 物理学 2025-06-11 Neil J. Cornish , Tyson Littenberg

Time-delay interferometry (TDI) is a processing step essential for the scientific exploitation of LISA, as it reduces the otherwise overwhelming laser noise in the interferometric measurements. The fundamental idea is to define new…

广义相对论与量子宇宙学 · 物理学 2021-06-09 Jean-Baptiste Bayle , Michele Vallisneri , Stanislav Babak , Antoine Petiteau

Space-based gravitational-wave observatories such as the Laser Interferometer Space Antenna (LISA) use time-shifted and time-scaled linear combinations of differential laser-phase beat signals to cancel the otherwise overwhelming laser…

天体物理仪器与方法 · 物理学 2013-05-30 Shawn J. Mitryk , Josep Sanjuan , Guido Mueller

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

广义相对论与量子宇宙学 · 物理学 2022-05-11 Sanjeev Dhurandhar , Prasanna Joshi , Massimo Tinto

Time delay interferometry (TDI) is a key technique employed in gravitational wave (GW) space missions to mitigate laser frequency noise by combining multiple laser links and establishing an equivalent equal arm interferometry. The null…

广义相对论与量子宇宙学 · 物理学 2024-09-10 Gang Wang

Time Delay Interferometry (TDI) is an indispensable step in the whole data processing procedure of space-based gravitational wave detection, as it mitigates the overwhelming laser frequency noise, which would otherwise completely bury the…

天体物理仪器与方法 · 物理学 2024-07-30 Minghui Du , Pengzhan Wu , Ziren Luo , Peng Xu

The time delay interferometry (TDI) is an algorithm proposed to suppress the laser frequency noise in space-borne gravitational wave detectors. As a post-processing technique, it is implemented by constructing a virtual equal arm…

广义相对论与量子宇宙学 · 物理学 2022-07-20 Pan-Pan Wang , Wei-Liang Qian , Yu-Jie Tan , Han-Zhong Wu , Cheng-Gang Shao

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…

广义相对论与量子宇宙学 · 物理学 2024-03-05 Gang Wang

Laser frequency noise suppression is a critical requirement for the Laser Interferometer Space Antenna (LISA) mission to detect gravitational waves. The baseline laser stabilization is achieved using cavity pre-stabilization and a…

广义相对论与量子宇宙学 · 物理学 2024-06-05 Jobin Thomas Valliyakalayil , Andrew Wade , David Rabeling , Jue Zhang , Daniel Shaddock , Kirk McKenzie

Time Delay Interferometry (TDI) is often utilized in the data pre-processing of space-based gravitational wave detectors, primarily for suppressing laser frequency noise. About twenty years ago, assuming armlengths remain constant over…

仪器与探测器 · 物理学 2023-08-30 Weisheng Huang , Pan-Pan Wang , Yu-Jie Tan , Cheng-Gang Shao

A crucial challenge to the ongoing endeavor of spaceborne gravitational wave (GW) detection resides in the laser phase noise, typically 7 to 8 orders of magnitude above the inevitable noise. The arm locking technique was proposed to…

广义相对论与量子宇宙学 · 物理学 2022-12-07 Pan-Pan Wang , Wei-Liang Qian , Han-Zhong Wu , Yu-Jie Tan , Cheng-Gang Shao

LISA is a joint space mission of the ESA and NASA for detecting low frequency gravitational radiation in the band $10^{-5} - 1$ Hz. In order to attain the requisite sensitivity for LISA, the laser frequency noise must be suppressed below…

广义相对论与量子宇宙学 · 物理学 2015-05-13 S. V. Dhurandhar

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…

广义相对论与量子宇宙学 · 物理学 2023-04-12 Quentin Baghi , John G. Baker , Jacob Slutsky , James Ira Thorpe

LISA is an upcoming ESA mission that will detect gravitational waves in space by interferometrically measuring the separation between free-falling test masses at picometer precision. To reach the desired performance, LISA will employ the…

广义相对论与量子宇宙学 · 物理学 2023-11-23 Lennart Wissel , Olaf Hartwig , Jean-Baptiste Bayle , Martin Staab , Ewan D. Fitzsimons , Martin Hewitson , Gerhard Heinzel

Time-delay interferometry (TDI) is a data processing technique for space-based gravitational-wave detectors to create laser-noise-free equal-optical-path-length interferometers virtually on the ground. It relies on the interspacecraft…

广义相对论与量子宇宙学 · 物理学 2024-10-14 Jan Niklas Reinhardt , Philipp Euringer , Olaf Hartwig , Gerald Hechenblaikner , Gerhard Heinzel , Kohei Yamamoto

The Laser Interferometer Space Antenna (LISA), an ESA L-class mission, is designed to detect gravitational waves in the millihertz frequency band, with operations expected to begin in the next decade. LISA will enable studies of…

天体物理仪器与方法 · 物理学 2024-12-31 Niklas Houba , Jean-Baptiste Bayle , Michele Vallisneri

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

广义相对论与量子宇宙学 · 物理学 2021-08-25 Massimo Tinto , Sanjeev Dhurandhar , Prasanna Joshi

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…

天体物理仪器与方法 · 物理学 2021-07-07 Olaf Hartwig , Jean-Baptiste Bayle

The LISA mission will likely be a signal dominated detector, such that one challenge is the separation of the different astrophysical sources, and to distinguish between them and the instrumental noise. One of the goals of LISA is to probe…

广义相对论与量子宇宙学 · 物理学 2022-01-19 Martina Muratore , Daniele Vetrugno , Stefano Vitale , Olaf Hartwig

The proposed space-borne laser interferometric gravitational wave (GW) observatory TianQin adopts a geocentric orbit for its nearly equilateral triangular constellation formed by three identical drag-free satellites. The geocentric distance…

天体物理仪器与方法 · 物理学 2021-06-02 Ming-Yue Zhou , Xin-Chun Hu , Bobing Ye , Shoucun Hu , Dong-Dong Zhu , Xuefeng Zhang , Wei Su , Yan Wang