Jiggled interferometer: Ground-based gravitational wave detector using rapidly-repeated free-falling test masses
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arXiv
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| Format: | Preprint |
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2025
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| author | Iwaguchi, Shoki Wu, Bin Umemura, Kurumi Ishikawa, Tomohiro Tsuji, Kenji Nishimura, Ryota Michimura, Yuta Enomoto, Yutaro Morisaki, Soichiro Aso, Yoichi Akutsu, Tomotada Kokeyama, Keiko Kawamura, Seiji |
| author_facet | Iwaguchi, Shoki Wu, Bin Umemura, Kurumi Ishikawa, Tomohiro Tsuji, Kenji Nishimura, Ryota Michimura, Yuta Enomoto, Yutaro Morisaki, Soichiro Aso, Yoichi Akutsu, Tomotada Kokeyama, Keiko Kawamura, Seiji |
| contents | We propose the Jiggled Interferometer (JIGI), a novel ground-based gravitational wave detector employing low-frequency noise mitigation similar to that of space-based detectors. Using rapidly-repeated free-fall test masses, JIGI eliminates seismic and suspension thermal noise during free fall. Compared to the Juggled Interferometer, it offers improved angular stability and avoids tracking lasers. We analyze detrending -- a required step to remove actuation-induced noise -- and show sensitivity gains of about four orders of magnitude in the 0.1-0.3 Hz band, relative to seismic and suspension noise extrapolated from the Cosmic Explorer. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_12095 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Jiggled interferometer: Ground-based gravitational wave detector using rapidly-repeated free-falling test masses Iwaguchi, Shoki Wu, Bin Umemura, Kurumi Ishikawa, Tomohiro Tsuji, Kenji Nishimura, Ryota Michimura, Yuta Enomoto, Yutaro Morisaki, Soichiro Aso, Yoichi Akutsu, Tomotada Kokeyama, Keiko Kawamura, Seiji General Relativity and Quantum Cosmology We propose the Jiggled Interferometer (JIGI), a novel ground-based gravitational wave detector employing low-frequency noise mitigation similar to that of space-based detectors. Using rapidly-repeated free-fall test masses, JIGI eliminates seismic and suspension thermal noise during free fall. Compared to the Juggled Interferometer, it offers improved angular stability and avoids tracking lasers. We analyze detrending -- a required step to remove actuation-induced noise -- and show sensitivity gains of about four orders of magnitude in the 0.1-0.3 Hz band, relative to seismic and suspension noise extrapolated from the Cosmic Explorer. |
| title | Jiggled interferometer: Ground-based gravitational wave detector using rapidly-repeated free-falling test masses |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2509.12095 |