Multi-axis Accelerometry and Rotation Sensing using a Point Source Atom Interferometer

Journal Article · Tue Mar 08 00:00:00 EST 2022 · TBD

OSTI ID:1974716

Li, Jinyang ^[1]; da Silva, Gregório R.M. ^[1]; Bonacum, Jason ^[2]; Kovachy, Timothy ^[1]; Shahriar, Selim M. ^[1]

---

1. Northwestern U.
2. Northwestern U.; Unlisted, US, IL

A point source atom interferometer (PSI) is a device where atoms are split and recombined by applying a temporal sequence of Raman pulses during the expansion of a cloud of cold atoms behaving approximately as a point source. Unlike a conventional light pulse atom interferometer, the PSI can produce a signal that corresponds to multi-axis rotation only, independent of acceleration. In addition, it can be used to measure acceleration along one direction, independent of rotation. Here, we describe a modified PSI that can be used to measure multi-axis rotation and multi-axis acceleration. Specifically, this type of PSI can be used to measure two-axes rotation around the directions perpendicular to the light pulses, as well as the acceleration in all three directions, with only one pair of Raman beams. Using two pairs of Raman beams in orthogonal directions sequentially, such a scheme would enable the realization of a complete atom interferometric inertial measurement unit.

• Research Organization: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
• Sponsoring Organization: USDOE Office of Science (SC), High Energy Physics (HEP)
• DOE Contract Number: AC02-07CH11359
• OSTI ID: 1974716
• Report Number(s): FERMILAB-PUB-22-947-SQMS-V; arXiv:2203.03896; oai:inspirehep.net:2048248
• Journal Information: TBD, Journal Name: TBD
• Country of Publication: United States
• Language: English