Publications (13)
Mitigation of the Flexing-Filtering Effect in Time-Delay Interferometry
Shivani Harer, Martin Staab, Hubert Halloin
In early 2024, ESA formally adopted the Laser Interferometer Space Antenna (LISA) space mission with the aim of measuring gravitational waves emitted in the millihertz range. The c…
Optimal design of interpolation methods for time-delay interferometry
Martin Staab, Jean-Baptiste Bayle, Olaf Hartwig +4
Time-delay interferometry (TDI) suppresses laser frequency noise by forming linear combinations of time-shifted interferometric measurements. The time-shift operation is implemente…
The influence of laser relative intensity noise in the Laser Interferometer Space Antenna
Lennart Wissel, Olaf Hartwig, Jean-Baptiste Bayle +4
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 precisio…
Experimental verification of intersatellite clock synchronization at LISA performance levels
Kohei Yamamoto, Christoph Vorndamme, Olaf Hartwig +3
The Laser Interferometer Space Antenna (LISA) aims to observe gravitational waves in the mHz regime over its 10-year mission time. LISA will operate laser interferometers between t…
Laser noise residuals in LISA from onboard processing and time-delay interferometry
Martin Staab, Marc Lilley, Jean-Baptiste Bayle +1
Time-delay interferometry (TDI) is a crucial step in the on-ground data processing pipeline of the Laser Interferometer Space Antenna (LISA), as it reduces otherwise overwhelming l…
TDI noises transfer functions for LISA
Dam Quang Nam, Yves Lemiere, Antoine Petiteau +4
The LISA mission is the future space-based gravitational wave (GW) observatory of the European Space Agency. It is formed by 3 spacecraft exchanging laser beams in order to form mu…
Time delay interferometry without clock synchronisation
Olaf Hartwig, Jean-Baptiste Bayle, Martin Staab +3
Time-delay interferometry (TDI) is a data processing technique for LISA designed to suppress the otherwise overwhelming laser noise by several orders of magnitude. It is widely bel…
Experimental end-to-end demonstration of intersatellite absolute ranging for LISA
Kohei Yamamoto, Iouri Bykov, Jan Niklas Reinhardt +10
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…
Modulation-assisted time-delay interferometric ranging for LISA
Jean-Baptiste Bayle, Martin Staab, Samuel P. Francis +3
Laser Interferometer Space Antenna LISA represents the next frontier in gravitationalwave GW astronomy targeting the detection of millihertz gravitational signals Central to LISAs…
Ranging Sensor Fusion in LISA Data Processing: Treatment of Ambiguities, Noise, and On-Board Delays in LISA Ranging Observables
Jan Niklas Reinhardt, Martin Staab, Kohei Yamamoto +6
Interspacecraft ranging is crucial for the suppression of laser frequency noise via time-delay interferometry (TDI). So far, the effects of on-board delays and ambiguities on the L…
In-Depth Modeling of Tilt-To-Length Coupling in LISA's Interferometers and TDI Michelson Observables
Gudrun Wanner, Sweta Shah, Martin Staab +2
We present first-order models for tilt-to-length (TTL) coupling in LISA, both for the individual interferometers as well as in the time-delay interferometry (TDI) Michelson observa…
LISA Definition Study Report
Monica Colpi, Karsten Danzmann, Martin Hewitson +108
The Laser Interferometer Space Antenna (LISA) is the first scientific endeavour to detect and study gravitational waves from space. LISA will survey the sky for Gravitational Waves…
Adapting time-delay interferometry for LISA data in frequency
Jean-Baptiste Bayle, Olaf Hartwig, Martin Staab
Time-delay interferometry (TDI) is a post-processing technique used to reduce laser noise in heterodyne interferometric measurements with unequal armlengths, a situation characteri…