TOrsion-Bar Antenna: A Ground-Based Detector for Low-Frequency Gravity Gradient Measurement

The Torsion-Bar Antenna (TOBA) is a torsion pendulum-based gravitational detector developed to observe gravitational waves in frequencies between 1 mHz and 10 Hz. The low resonant frequency of the torsion pendulum enables observation in this frequency band on the ground. The final target of TOBA is...

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Bibliographic Details
Published in:Galaxies 2024-12, Vol.12 (6), p.78
Main Authors: Takano, Satoru, Shimoda, Tomofumi, Oshima, Yuka, Ooi, Ching Pin, Forsyth, Perry William Fox, Cao, Mengdi, Komori, Kentaro, Michimura, Yuta, Sugimoto, Ryosuke, Kame, Nobuki, Watada, Shingo, Yokozawa, Takaaki, Miyoki, Shinji, Washimi, Tatsuki, Ando, Masaki
Format: Article
Language:English
Subjects:
Antennas
Antennas (Electronics)
Black holes
cryogenics
Detectors
Earthquakes
gravitational wave
Gravitational waves
laser interferometer
Measurement
Noise
Pendulums
Prototypes
Radiation
Resonant frequencies
Sensors
torsion pendulum
Universe
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Summary:The Torsion-Bar Antenna (TOBA) is a torsion pendulum-based gravitational detector developed to observe gravitational waves in frequencies between 1 mHz and 10 Hz. The low resonant frequency of the torsion pendulum enables observation in this frequency band on the ground. The final target of TOBA is to observe gravitational waves with a 10 m detector and expand the observation band of gravitational waves. In this paper, an overview of TOBA, including the previous prototype experiments and the current ongoing development, is presented.
ISSN:2075-4434
2075-4434
DOI:10.3390/galaxies12060078