Ultraprecision intersatellite laser interferometry

Precision measurement tools are compulsory to reduce measurement errors or machining errors in the processes of calibration and manufacturing. The laser interferometer is one of the most important measurement tools invented in the 20th century. Today, it is commonly used in ultraprecision machining...

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Bibliographic Details
Published in:International Journal of Extreme Manufacturing 2020-06, Vol.2 (2), p.22003
Main Authors: Ming, Min, Luo, Yingxin, Liang, Yu-Rong, Zhang, Jing-Yi, Duan, Hui-Zong, Yan, Hao, Jiang, Yuan-Ze, Lu, Ling-Feng, Xiao, Qin, Zhou, Zebing, Yeh, Hsien-Chi
Format: Article
Language:English
Subjects:
Detectors
Electrons
Gravitational waves
gravitational-wave detection
inter-satellite laser ranging
Interferometry
Laser interferometry
Lasers
LIGO (observatory)
Noise levels
Precision machining
Space based lasers
transponder laser interferometer
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Summary:Precision measurement tools are compulsory to reduce measurement errors or machining errors in the processes of calibration and manufacturing. The laser interferometer is one of the most important measurement tools invented in the 20th century. Today, it is commonly used in ultraprecision machining and manufacturing, ultraprecision positioning control, and many noncontact optical sensing technologies. So far, the state-of-the-art laser interferometers are the ground-based gravitational-wave detectors, e.g. the Laser Interferometer Gravitational-wave Observatory (LIGO). The LIGO has reached the measurement quantum limit, and some quantum technologies with squeezed light are currently being tested in order to further decompress the noise level. In this paper, we focus on the laser interferometry developed for space-based gravitational-wave detection. The basic working principle and the current status of the key technologies of intersatellite laser interferometry are introduced and discussed in detail. The launch and operation of these large-scale, gravitational-wave detectors based on space-based laser interferometry is proposed for the 2030s.
ISSN:2631-8644
2631-7990
2631-7990
DOI:10.1088/2631-7990/ab8864