Dead-zone-free cold atom interferometer with high frequency output

US11808576B2 · kind B2 · utility

Assignee

• NO. 717 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION · CN

Inventors

• Fusheng Chen · 红钢城街道, CN
• Haicen Mao · 红钢城街道, CN
• Jun Cheng · Beijing, CN
• Min Deng · 红钢城街道, CN
• Huibin Yao · 红钢城街道, CN
• Qiang Guo · Tangxia, CN
• Chao Zhou · Beijing, CN

Key dates

• Filing date: May 4, 2021
• Grant date: Nov 7, 2023
• Expiry date: Jul 21, 2042

Classification

• Technology area (CPC G): Physics
• CPC primary: G01V7/04
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The present application discloses a dead-zone-free cold atom interferometer with a high frequency output. The interferometer includes: a three-dimensional magneto-optical trap, wherein a predetermined angle is formed between the first group of light sources and an atomic beam path, the first group of optical stops are arranged at edges of the first group of light sources and downstream of the atomic beam path, the first group of optical stops block laser light emitted from the first group of light sources, the second group of light sources are orthogonally arranged with respect to the first group of light sources, the second group of optical stops are arranged at edges of the second group of light sources and downstream of the atomic beam path, and the second group of optical stops block laser light emitted from the second group of light sources.