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Updated: Jul 17, 2026
16:11
Implementation of a Reference Interferometer for Nanodetection
Published on: April 26, 2014
Long-term stability of an area-reversible atom-interferometer Sagnac gyroscope
D S Durfee1, Y K Shaham, M A Kasevich
1Department of Physics and Astronomy, Brigham Young University, Provo, Utah 84602, USA.
Physical Review Letters
|February 7, 2007
Summary
We developed the first matter-wave interference gyroscope for high-accuracy navigation. Its novel input axis reversal technique achieves excellent short-term and long-term stability.
Area of Science:
- Quantum physics
- Inertial navigation
Background:
- Inertial navigation systems (INS) are crucial for navigation and guidance.
- Existing INS technologies face limitations in accuracy and stability.
- Matter-wave interferometry offers a potential pathway to next-generation INS.
Purpose of the Study:
- To demonstrate a novel matter-wave interference gyroscope.
- To achieve short-term noise and long-term stability suitable for high-accuracy navigation.
Main Methods:
- Development of a matter-wave interference gyroscope.
- Implementation of a novel technique for precise input axis reversal.
Main Results:
- First demonstration of a matter-wave interference gyroscope meeting navigation requirements.
- Achieved excellent short-term noise and long-term stability.
Conclusions:
- Matter-wave interference gyroscopes are viable for high-accuracy navigation.
- The novel input axis reversal technique is key to achieving high performance.
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