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对含耦合缺陷的不对称结构光子晶体的研究发现,其缺陷模频率附近的反射率接近于1,而缺陷模频率附近反射光的相移随频率迅速改变;当缺陷层为折射率的温度敏感材料时,温度的极微小变化就能使处于缺陷模频率的反射光相移发生很显著变化.根据这一原理,设计了高灵敏高分辨率的相位温度传感器.以高灵敏高分辨率的温度传感器为例,介绍高灵敏高分辨率的相位传感器的工作原理.
The study of the asymmetric photonic crystal with coupling defect shows that the reflectivity near the defect mode frequency is close to 1 and the phase shift of the reflected light near the defect mode frequency changes rapidly with the frequency. When the defect layer is the temperature-sensitive index of refraction Material, a slight change in temperature can make a significant change in the phase shift of the reflected light at the defect mode frequency.According to this principle, a high sensitivity and high resolution phase temperature sensor is designed.With the high sensitivity and high resolution temperature Sensor, for example, describes the working principle of high sensitivity and high resolution phase sensor.