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中文摘要：
提出了一种跑道型谐振腔与固支梁相结合的新型加速度传感器结构.采用FDTD法分析了环形微环谐振腔和跑道型微环谐振腔的光谱特性,得出具有高值的跑道型微环谐振器更适用于作传感器件,利用输出光谱在加速度作用下产生漂移的特性测得了系统的加速度值.仿真结果表明：加速度值在0~50 范围内,系统的灵敏度可达到47.7 pm/ ,并且固支梁的厚度是影响系统灵敏度的重要因素.该结构为制备高灵敏度、低成本的微型加速度传感器提供了理论基础.
英文摘要：
Anewaccelerometerwith racetrackmicroring resonator and fixed beamis put forward. In this paper, transmission spectrumsof ring resonator and racetrack resonator are analysed respectively by employing the finite-difference time-domain （FDTD）method. And it shows the racetrack resonator with high factor is fit for sensing. Besides, the measurement of acceleration canbe realized by detecting wavelength shift. The simulation result shows the sensitivity is up to 47.7pm/ at the acceleration range of0~50 .Meanwhile fixed beamthickness is a key factor which influents the sensitivity of acceleration sensor. Such structure providesa theoretical basis for manufacturing acceleration sensor with high sensitivity and low cost.
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