Chinese Optics, Volume. 18, Issue 3, 612(2025)
Simulation of residual gas noise in high-precision inertial sensors with optical readout
Fig. 1. Schematic diagram of collision between particles and sensitive structures
Fig. 2. Schematic diagram of gas molecule motion direction and plane intersection point
Fig. 3. Schematic diagram of inertial sensor electrode cage and test mass
Fig. 5. Flowchart of gas molecular trajectory simulation over a time interval
Fig. 6. Trajectory simulation diagram of a single gas molecule over different time periods
Fig. 7. Distribution diagram of acceleration component of test mass induced by residual gas collision over time
Fig. 8. Residual gas acceleration spectral density (ASD) at a pressure of 10−6 Pa
Fig. 9. Residual gas acceleration noise (ASD) under different pressures
Fig. 10. Translational and rotational noise of residual gas under different temperatures
Fig. 11. Variation of translational and rotational power spectral density with resprect to the gap-to-edge length-ratio平动和转动功率谱密度随间隙边长比的变化
Fig. 12. Variation of along the
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Fang WANG, Ming-chao SHE, Xiao-dong PENG, Li'e QIANG, Peng XU, Wen-lin TANG, Yu-zhu ZHANG. Simulation of residual gas noise in high-precision inertial sensors with optical readout[J]. Chinese Optics, 2025, 18(3): 612
Category: Special Column on Space-based Gravitational Wave Detection
Received: Oct. 8, 2024
Accepted: Dec. 17, 2024
Published Online: Jun. 16, 2025
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