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Quality factor trimming method using thermoelastic dissipation for multi-ring resonator
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DOI：10.1016/j.sna.2021.113044.png)
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摘要
En 中文
In this paper, a novel quality factor trimming method for a 2-axis mode-matched resonator using thermoelastic dissipation (TED) is reported. A disk resonator was designed so that the Q-factor is mainly limited by TED, in which the effect of energy dissipation can be tuned by mechanical trimming. The trimming location are carefully chosen to independently modify the Q-factors of each axis. In addition, the trimming structure is designed not to affect the resonant frequencies. From the numerical experiment, the Q-factor trimming as much as 108% could be achieved while the frequency change was 4.7% at the maximum. (c) 2021 Elsevier B.V. All rights reserved.
Keyword:
TED
Q-factor mismatch
Frequency mismatch
FM gyroscope
RIG gyroscope
Multi-ring resonator
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期刊
IF:
4.9
论文数:
1.5W
被引数:
3.3W
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