Characterization of a fiber laser hydrophone for acoustic neutrino detection
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909566267031552 |
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| author | Buis, E. J. von Benda-Beckmann, A. M. Doppenberg, E. Dorant, J. Jansen, T. H. Toet, P. Verhooren, P. de Vreugd, J. |
| author_facet | Buis, E. J. von Benda-Beckmann, A. M. Doppenberg, E. Dorant, J. Jansen, T. H. Toet, P. Verhooren, P. de Vreugd, J. |
| contents | This paper presents the development and characterization of a fiber laser hydrophone designed for deep-sea applications, with a focus on detecting neutrino interactions via their acoustic signatures. The hydrophone design includes a static pressure compensation mechanism, ensuring reliable operation at depths exceeding 1 km. The performance of the hydrophone was evaluated through laboratory tests and experiments in an anechoic basin, where its transfer function was measured before and after a 140-bar pressure cycle. The results show that the hydrophone maintains its sensitivity, with resonance peaks identified in both low- and high-frequency ranges. The hydrophone's sensitivity to acoustic signals was also compared to ambient sea state noise levels, demonstrating compatibility with the lowest noise conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_12999 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Characterization of a fiber laser hydrophone for acoustic neutrino detection Buis, E. J. von Benda-Beckmann, A. M. Doppenberg, E. Dorant, J. Jansen, T. H. Toet, P. Verhooren, P. de Vreugd, J. Instrumentation and Methods for Astrophysics Instrumentation and Detectors This paper presents the development and characterization of a fiber laser hydrophone designed for deep-sea applications, with a focus on detecting neutrino interactions via their acoustic signatures. The hydrophone design includes a static pressure compensation mechanism, ensuring reliable operation at depths exceeding 1 km. The performance of the hydrophone was evaluated through laboratory tests and experiments in an anechoic basin, where its transfer function was measured before and after a 140-bar pressure cycle. The results show that the hydrophone maintains its sensitivity, with resonance peaks identified in both low- and high-frequency ranges. The hydrophone's sensitivity to acoustic signals was also compared to ambient sea state noise levels, demonstrating compatibility with the lowest noise conditions. |
| title | Characterization of a fiber laser hydrophone for acoustic neutrino detection |
| topic | Instrumentation and Methods for Astrophysics Instrumentation and Detectors |
| url | https://arxiv.org/abs/2501.12999 |