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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2511.08193 |
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| _version_ | 1866908849407000576 |
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| author | Chen, Chen Liu, Kejun Deng, Dezhou Ma, Shuchang Zhu, Peng He, Zhichang Che, J. F. Wu, Xiaoxiao Chen, Peng |
| author_facet | Chen, Chen Liu, Kejun Deng, Dezhou Ma, Shuchang Zhu, Peng He, Zhichang Che, J. F. Wu, Xiaoxiao Chen, Peng |
| contents | We present a compact design of dual-beam Zeeman slower optimized for efficient production of cold atom applications. Traditional single-beam configurations face challenges from substantial residual atomic flux impacting downstream optical windows, resulting in increased system size, atomic deposition contamination, and a reduced operational lifetime. Our approach employs two oblique laser beams and a capillary-array collimation system to address these challenges while maintaining efficient deceleration. For rubidium ($^{87}$Rb), simulations demonstrate a significant increase in the fraction of atoms captured by a two-dimensional magneto-optical trap (2D-MOT) and nearly eliminate atom-induced contamination probability at optical windows, all within a compact Zeeman slower length of 44 cm. Experimental validation with Rb and Yb demonstrates highly efficient atomic loading within the same compact design. This advancement represents a substantial improvement for high-flux cold atom applications, providing reliable performance for high-precision metrology, quantum computation and simulation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_08193 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Compact Dual-Beam Zeeman Slower for High-Flux Cold Atoms Chen, Chen Liu, Kejun Deng, Dezhou Ma, Shuchang Zhu, Peng He, Zhichang Che, J. F. Wu, Xiaoxiao Chen, Peng Atomic Physics Quantum Physics We present a compact design of dual-beam Zeeman slower optimized for efficient production of cold atom applications. Traditional single-beam configurations face challenges from substantial residual atomic flux impacting downstream optical windows, resulting in increased system size, atomic deposition contamination, and a reduced operational lifetime. Our approach employs two oblique laser beams and a capillary-array collimation system to address these challenges while maintaining efficient deceleration. For rubidium ($^{87}$Rb), simulations demonstrate a significant increase in the fraction of atoms captured by a two-dimensional magneto-optical trap (2D-MOT) and nearly eliminate atom-induced contamination probability at optical windows, all within a compact Zeeman slower length of 44 cm. Experimental validation with Rb and Yb demonstrates highly efficient atomic loading within the same compact design. This advancement represents a substantial improvement for high-flux cold atom applications, providing reliable performance for high-precision metrology, quantum computation and simulation. |
| title | A Compact Dual-Beam Zeeman Slower for High-Flux Cold Atoms |
| topic | Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2511.08193 |