The photonic band gap (PBG) property of a one-dimensional photonic crystal with a defect layer under pressure is studied, accordingly an improved model of pressure sensor is described.
通过研究带缺陷的一维光子晶体受压力后光带隙性能的变化，提出了改进型光子晶体压力传感器的理论模型。
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The sensor used in the testing is made of piezoelectricity crystal and it can directly transform the pressure signal into electricity signal. Its output is in proportion to the measured pressure.