A nano vacuum gauge based on second-order coherence in optical levitation
Fuente:
arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866916489795207168 |
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| author | Liu, Lyu-Hang Zheng, Yu Tian, Yuan Wang, Long Guo, Guang-Can Sun, Fang-Wen |
| author_facet | Liu, Lyu-Hang Zheng, Yu Tian, Yuan Wang, Long Guo, Guang-Can Sun, Fang-Wen |
| contents | Accurate measurement of pressure with a wide dynamic range holds significant importance for various applications. This issue can be realized with a mechanical nano-oscillator, where the pressure-related collisions with surrounding molecules induce its energy dissipation. However, this energy dissipation of the nano-oscillator may be overshadowed by other processes. Here, we apply the second-order coherence analysis to accurately characterize those distinct dissipation processes. Based on an optically levitated nano-oscillator, we successfully obtain precise measurements of the air pressure surrounding the particles from atmosphere to 7E-6 mbar, over 8 orders of magnitude. It proves that the mechanical nano-oscillator is an extremely promising candidate for precision pressure sensing applications. Moreover, the second-order coherence analysis method on a classical system can pave the way to characterize the dynamic properties of an oscillator, which will benefit microscopic thermodynamics, precision measurement, and macroscopic quantum research. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_06907 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A nano vacuum gauge based on second-order coherence in optical levitation Liu, Lyu-Hang Zheng, Yu Tian, Yuan Wang, Long Guo, Guang-Can Sun, Fang-Wen Optics Accurate measurement of pressure with a wide dynamic range holds significant importance for various applications. This issue can be realized with a mechanical nano-oscillator, where the pressure-related collisions with surrounding molecules induce its energy dissipation. However, this energy dissipation of the nano-oscillator may be overshadowed by other processes. Here, we apply the second-order coherence analysis to accurately characterize those distinct dissipation processes. Based on an optically levitated nano-oscillator, we successfully obtain precise measurements of the air pressure surrounding the particles from atmosphere to 7E-6 mbar, over 8 orders of magnitude. It proves that the mechanical nano-oscillator is an extremely promising candidate for precision pressure sensing applications. Moreover, the second-order coherence analysis method on a classical system can pave the way to characterize the dynamic properties of an oscillator, which will benefit microscopic thermodynamics, precision measurement, and macroscopic quantum research. |
| title | A nano vacuum gauge based on second-order coherence in optical levitation |
| topic | Optics |
| url | https://arxiv.org/abs/2404.06907 |