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Reducing tilt-to-length coupling with imaging system and photodetector tilt in transponder-type interferometer

Optica Sensing Congress 2025 (AIS, Sensors, QSM)
A transponder-type laser interferometer is built to simulate tilt-to-length coupling in spaceborne gravitational wave interferometers. Intentional tilt of the detector and imaging system are used to suppress first-order and second-order TTL coupling.
Xiaoyang Lin   +5 more
openaire   +1 more source

Noise suppression of tilt-to-length coupling in space laser interferometer

Optics and Precision Engineering, 2021
Lu-yu WANG, Yu-qiong LI, Rong CAI
openaire   +1 more source

Characteristics of tilt-to-length coupling coefficients for different time-delay interferometry combinations for LISA

Classical and Quantum Gravity
Abstract Tilt-to-length (TTL) noise is one of the dominant noise sources in space-based gravitational wave (GW) detection. Methods such as the least squares estimator and the instrumental variables estimator can be employed to subtract TTL noise.
Hao-Kang Chen   +2 more
openaire   +1 more source

Multiparameter hierarchical sensitivity analysis of tilt-to-length coupling noise in Taiji science interferometer

Chinese Physics B
Abstract Tilt-to-length (TTL) coupling noise is a critical issue in space-based gravitational wave detection due to its complex dependence on multiple interacting factors, which complicates the identification of dominant parameters.
Fei 菲 Xie 谢   +4 more
openaire   +1 more source

Simulated alignment method for suppressing tilt-to-length coupling noise in space gravitational wave telescopes

Classical and Quantum Gravity
Abstract Space gravitational wave telescopes are critical in achieving precise interstellar laser interferometry. The coupling coefficient is a key metric for evaluating the ultimate performance of a telescope. However, alignment errors during the assembly phase can degrade the wavefront quality of the telescope, intensify coupling noise,
Lanjun Huang   +7 more
openaire   +1 more source

Tilt-to-length coupling in LISA Pathfinder : Analytical modeling

Physical Review D, 2023
Gudrun Wanner, Marie-Sophie Hartig
exaly  

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