An array of bulk-acoustic-wave sensors as a high-frequency antenna for gravitational waves
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
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2025
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| author | Albani, G. Borghesi, M. Canonica, L. Carobene, R. De Guio, F. Faverzani, M. Ferri, E. Gerosa, R. Ghezzi, A. Giachero, A. Gotti, C. Labranca, D. Mariani, L. Nucciotti, A. Pessina, G. Rozza, D. de Fatis, T. Tabarelli |
| author_facet | Albani, G. Borghesi, M. Canonica, L. Carobene, R. De Guio, F. Faverzani, M. Ferri, E. Gerosa, R. Ghezzi, A. Giachero, A. Gotti, C. Labranca, D. Mariani, L. Nucciotti, A. Pessina, G. Rozza, D. de Fatis, T. Tabarelli |
| contents | In their simplest form, bulk acoustic wave (BAW) devices consist of a piezoelectric crystal between two electrodes that transduce the material's vibrations into electrical signals. They are adopted in frequency control and metrology, with well-established standards at frequencies of 5~MHz and above. Their use as a resonant-mass strain antenna for high-frequency gravitational waves has been recently proposed (Goryachev and Tobar, 2014). The estimated power spectral density sensitivity at the resonant frequencies is of the order of $10^{-21}\, \textrm{strain}/\sqrt{\textrm{Hz}}$. In this paper, after introducing the science opportunity and potential of gravitational wave detection with BAWs, we describe the two-stage BAUSCIA project plan to build a multimode antenna based on commercial BAWs, followed by an optimized array of custom BAWs. We show that commercially available BAWs already provide sensitivity comparable to current experiments around 10~MHz. Finally, we outline options for optimization of custom devices to improve sensitivity in an unexplored region, probe multiple frequencies between 0.1 and 10 MHz, and target specific signals, such as post-merger emission from neutron stars or emission from various dark matter candidates. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_17479 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An array of bulk-acoustic-wave sensors as a high-frequency antenna for gravitational waves Albani, G. Borghesi, M. Canonica, L. Carobene, R. De Guio, F. Faverzani, M. Ferri, E. Gerosa, R. Ghezzi, A. Giachero, A. Gotti, C. Labranca, D. Mariani, L. Nucciotti, A. Pessina, G. Rozza, D. de Fatis, T. Tabarelli Instrumentation and Detectors Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology In their simplest form, bulk acoustic wave (BAW) devices consist of a piezoelectric crystal between two electrodes that transduce the material's vibrations into electrical signals. They are adopted in frequency control and metrology, with well-established standards at frequencies of 5~MHz and above. Their use as a resonant-mass strain antenna for high-frequency gravitational waves has been recently proposed (Goryachev and Tobar, 2014). The estimated power spectral density sensitivity at the resonant frequencies is of the order of $10^{-21}\, \textrm{strain}/\sqrt{\textrm{Hz}}$. In this paper, after introducing the science opportunity and potential of gravitational wave detection with BAWs, we describe the two-stage BAUSCIA project plan to build a multimode antenna based on commercial BAWs, followed by an optimized array of custom BAWs. We show that commercially available BAWs already provide sensitivity comparable to current experiments around 10~MHz. Finally, we outline options for optimization of custom devices to improve sensitivity in an unexplored region, probe multiple frequencies between 0.1 and 10 MHz, and target specific signals, such as post-merger emission from neutron stars or emission from various dark matter candidates. |
| title | An array of bulk-acoustic-wave sensors as a high-frequency antenna for gravitational waves |
| topic | Instrumentation and Detectors Instrumentation and Methods for Astrophysics General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2506.17479 |