Beijing Normal University 12-meter Interferometric kHz GW Detector Prototype: Design and Scientific Prospects
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2025
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| author | Wang, Mengyao Zhang, Fan Guo, Xinyao Miao, Haixing Yang, Huan Ma, Yiqiu Wang, Haoyu Zhang, Teng Cao, Mengdi Chen, Yuchao Huang, Xiaoman Li, Junlang Liu, Fangfei Liu, Jianyu Pan, Yuan Xia, Yulin Xing, Jianbo Yu, Yujie Zhou, Chenjie Zhu, Zong-hong |
| author_facet | Wang, Mengyao Zhang, Fan Guo, Xinyao Miao, Haixing Yang, Huan Ma, Yiqiu Wang, Haoyu Zhang, Teng Cao, Mengdi Chen, Yuchao Huang, Xiaoman Li, Junlang Liu, Fangfei Liu, Jianyu Pan, Yuan Xia, Yulin Xing, Jianbo Yu, Yujie Zhou, Chenjie Zhu, Zong-hong |
| contents | Current gravitational-wave detectors have achieved remarkable sensitivity around 100 Hz, enabling ground-breaking discoveries. Enhancing sensitivity at higher frequencies in the kilohertz (kHz) range promises access to rich physics, particularly the extreme conditions during the merger stage of binary neutron stars. However, the high-frequency sensitivity of Michelson-based interferometers is fundamentally limited by their linear optical cavities, which are optimized for low-frequency signal enhancement. In [Phys. Rev. X 13, 021019 (2023)], a new configuration employing an L-shaped optical resonator was proposed to overcome this limitation, offering exceptional sensitivity in the kHz band. As a pathfinder, the 12-meter prototype at Beijing Normal University is designed to demonstrate the sensing and control schemes of this new kHz detector configuration and to explore its performance in the high-power regime with suspended optics. Beyond its primary scientific goal, the prototype also offers potential sensitivity in the megahertz (MHz) range, potentially enabling constraints on exotic sources. This paper presents an overview of the prototype, including its optical design and current development status of key components. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_24178 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Beijing Normal University 12-meter Interferometric kHz GW Detector Prototype: Design and Scientific Prospects Wang, Mengyao Zhang, Fan Guo, Xinyao Miao, Haixing Yang, Huan Ma, Yiqiu Wang, Haoyu Zhang, Teng Cao, Mengdi Chen, Yuchao Huang, Xiaoman Li, Junlang Liu, Fangfei Liu, Jianyu Pan, Yuan Xia, Yulin Xing, Jianbo Yu, Yujie Zhou, Chenjie Zhu, Zong-hong Optics Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology Instrumentation and Detectors Quantum Physics Current gravitational-wave detectors have achieved remarkable sensitivity around 100 Hz, enabling ground-breaking discoveries. Enhancing sensitivity at higher frequencies in the kilohertz (kHz) range promises access to rich physics, particularly the extreme conditions during the merger stage of binary neutron stars. However, the high-frequency sensitivity of Michelson-based interferometers is fundamentally limited by their linear optical cavities, which are optimized for low-frequency signal enhancement. In [Phys. Rev. X 13, 021019 (2023)], a new configuration employing an L-shaped optical resonator was proposed to overcome this limitation, offering exceptional sensitivity in the kHz band. As a pathfinder, the 12-meter prototype at Beijing Normal University is designed to demonstrate the sensing and control schemes of this new kHz detector configuration and to explore its performance in the high-power regime with suspended optics. Beyond its primary scientific goal, the prototype also offers potential sensitivity in the megahertz (MHz) range, potentially enabling constraints on exotic sources. This paper presents an overview of the prototype, including its optical design and current development status of key components. |
| title | Beijing Normal University 12-meter Interferometric kHz GW Detector Prototype: Design and Scientific Prospects |
| topic | Optics Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology Instrumentation and Detectors Quantum Physics |
| url | https://arxiv.org/abs/2503.24178 |