Shuqing Wu, Tianchu Li. Technical Development of Absolute Gravimeter: Laser Interferometry and Atom Interferometry[J]. Acta Optica Sinica, 2021, 41(1): 0102002
- Acta Optica Sinica
- Vol. 41, Issue 1, 0102002 (2021)
![Principle of laser absolute gravimeter[2]](/richHtml/gxxb/2021/41/1/0102002/img_1.jpg)
Fig. 1. Principle of laser absolute gravimeter[2]
Fig. 2. Composition of laser absolute gravimeter
![JILA absolute gravimeter[3]](/Images/icon/loading.gif){kind=icon}
Fig. 3. JILA absolute gravimeter[3]
Fig. 5. IMGC02 absolute gravimeter[8]
Fig. 6. FGC cam type absolute gravimeter[9]
Fig. 7. NIM-3A absolute gravimeter
Fig. 8. Basic principle. (a) Stimulated Raman transition; (b) schematic of atomic interference
Fig. 9. Schematic of working principle of atom interferometry absolute gravimeter
Fig. 10. Atomic interference fringes[29]
Fig. 11. System structure diagram of atom interferometry absolute gravimeter[30]
Fig. 12. Vacuum system of NIM-AGRb-1 atom interferometry absolute gravimeter [29]
Fig. 13. Schematic of optical system of NIM-AGRb-1 atom interferometry absolute gravimeter
Fig. 14. Schematic of a small optical system. (a) Schematic of a small optical system developed by the French space agency group[39]; (b) laser frequency distribution
Fig. 15. Long term gravity measurement data. (a) Long term gravity measurement data of NIM-AGRb-1 atom interferometry absolute gravimeter; (b) experimental data and theoretical difference [28]
Fig. 16. Allan variance of NIM-AGRb-1 gravity measurement data[28]
|
Table 1. Sensitivity of atomic gravimeters of some research groups at home and abroad
| ||||||||||||||||||||||||||||||||||||||||||||
Table 2. NIM-AGRb-1 system error evaluation table[28]
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20