An all-in-one spin-exchange-relaxed atomic gyroscope

Abstract

The invention discloses an integrated non-spin exchange relaxation atomic gyroscope, which includes an alkali metal gas chamber base, a non-magnetic electric heating component, a magnetic field compensation component, a cylindrical optical path support structure, a magnetic shielding tube, a support base, and a degaussing Rod, main structure top cover, shielding cylinder compression structure and laser. The support base provides support and installation reference for the components of the gyroscope. The degaussing rod is used for guiding and degaussing the shielding cylinder and the cylindrical optical path support structure. The alkali metal air chamber base is used for fixing the air chamber, the main structure top cover and the shielding cylinder The compression structure is used for the sealing of the structure and the fixing of the magnetic shielding cylinder. The cylindrical optical path support structure placed inside the shielding cylinder of the present invention solves the contradiction between the miniaturization requirement of the gyroscope and the increase of magnetic noise due to the reduction of the volume of the magnetic shielding cylinder. The cylindrical optical path support structure is compact and symmetrical, which enhances the gyroscope The miniaturization and engineering prospects of the gyroscope, the outer magnetic shielding tube effectively reduces the magnetic noise, which is conducive to the improvement of the stability of the gyroscope.

Description

technical field [0001] The invention relates to an integrated non-spin exchange relaxation atomic gyroscope. The cylindrical optical path support structure of the gyroscope placed inside the shielding tube solves the miniaturization requirements of the gyroscope and reduces the volume of the magnetic shielding tube to increase the magnetic field. The contradiction between noise, the cylindrical optical path support structure is compact and symmetrical, which enhances the miniaturization and engineering prospects of the gyroscope, and the outer magnetic shielding tube effectively reduces the magnetic noise, which is conducive to the improvement of the stability of the gyroscope. Background technique [0002] Atomic gyroscopes based on the spin-exchange-relaxation-free (Spin-Exchange-Relaxation-Free, SERF) principle have attracted much attention in the field of quantum sensing and high-precision inertial navigation due to their theoretical accuracy much higher than that of exis...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the existing SERF atomic gyroscope structure, provide a structure that integrates the entire optical path support structure and place it inside the magnetic shielding tube, and solve the miniaturization and engineering of the gyroscope The contradiction between demand and reducing the volume of the shielding tube will increase the magnetic noise. The integrated cylindrical optical path support structure is compact and symmetrical, which enhances the miniaturization and engineering prospects of the gyroscope, and the larger outer layer has high magnetic permeability Shielded barrel further reduces gyroscope magnetic noise

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