TY - JOUR
T1 - Modeling and suppression of atomic comagnetometer's response to micro-vibration
AU - Liu, Chang
AU - Xu, Zitong
AU - Wei, Kai
AU - Gong, Di
AU - Heng, Xing
AU - Huang, Xiaofei
AU - Quan, Wei
AU - Zhai, Yueyang
N1 - Publisher Copyright:
© 2023 Elsevier B.V.
PY - 2023/9/1
Y1 - 2023/9/1
N2 - Alkali-metal-noble-gas comagnetometers have broad applications in fundamental physics research and inertial navigation. Micro-vibration, as one of the main disturbances of the system, significantly limits the sensitivity of the comagnetometer. However, there are no researches to systematically test and quantify the effect of micro-vibration on comagnetometer, and suppressing this effect remains a challenge. In this paper, the response characteristics of the comagnetometer to angular and linear vibration are analyzed and tested based on the designed experimental setup for the first time. And then, we analyze the response characteristics of comagnetometer with passive vibration isolation platform to the ground vibration noise and the effect of height of center of mass on vibration transfer. Based on the established model and test results, we optimized the structure, the center of mass, and the direction of the sensitive axis of the comagnetometer, and the vibration equivalent sensitivity of comagnetometer is suppressed by about 20 times in the range of 1–4.75 Hz.
AB - Alkali-metal-noble-gas comagnetometers have broad applications in fundamental physics research and inertial navigation. Micro-vibration, as one of the main disturbances of the system, significantly limits the sensitivity of the comagnetometer. However, there are no researches to systematically test and quantify the effect of micro-vibration on comagnetometer, and suppressing this effect remains a challenge. In this paper, the response characteristics of the comagnetometer to angular and linear vibration are analyzed and tested based on the designed experimental setup for the first time. And then, we analyze the response characteristics of comagnetometer with passive vibration isolation platform to the ground vibration noise and the effect of height of center of mass on vibration transfer. Based on the established model and test results, we optimized the structure, the center of mass, and the direction of the sensitive axis of the comagnetometer, and the vibration equivalent sensitivity of comagnetometer is suppressed by about 20 times in the range of 1–4.75 Hz.
KW - Comagnetometer
KW - Micro-vibration
KW - Vibration control
UR - https://www.scopus.com/pages/publications/85162912988
U2 - 10.1016/j.sna.2023.114503
DO - 10.1016/j.sna.2023.114503
M3 - 文章
AN - SCOPUS:85162912988
SN - 0924-4247
VL - 359
JO - Sensors and Actuators A: Physical
JF - Sensors and Actuators A: Physical
M1 - 114503
ER -