Lü Wei, Xiaowei Zhang, Weihao Xu, Lei Zhu, Jiaqi Zhong, Jin Wang, Mingsheng Zhan. Design and Realization of Compact Horizontal-Type High-Precision Atom Gravity Gradiometer[J]. Laser & Optoelectronics Progress, 2023, 60(11): 1106020
- Laser & Optoelectronics Progress
- Vol. 60, Issue 11, 1106020 (2023)
Fig. 1. Schematic diagram of phase shift caused by gravity during atomic interference
Fig. 2. Configuration of the horizontal-type atom gravity gradiometer
Fig. 3. Spatial structure and working process of the horizontal-type atom gravity gradiometer
Fig. 4. Constitution of the compact horizontal-type atom gravity gradiometer
Fig. 5. Internal structure of the sensor of the compact horizontal-type atom gravity gradiometer
Fig. 6. Energy levels of 85Rb D2 transition and various laser frequencies required for atom interference[14]
Fig. 7. Schematic diagram of optical unit of horizontal-type atom gravity gradiometer
Fig. 8. Schematic diagram of the electronic control unit
Fig. 9. Photograph of compact horizontal-type atom gravity gradiometer
Fig. 10. Differential ellipses under different orientations of keff of Raman light
Fig. 11. Allan deviation curve of gravity gradient measurement
Fig. 12. Experimental results of gravity field modulation
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