分析了其应力的传递过程,建立了法布里-珀罗腔腔长变化与氢浓度关系的数学模型。
The stress transfer model of the sensor is analyzed and the relationship between the change of Fabry-Perot gap length and hydrogen concentration is constructed.
理论分析了法布里-珀罗腔多光束干涉所产生的干扰以及扫描过程中波长的随机漂移对输出信噪比的影响。
The influence of multi-beam interferences, and the relation between the signal to noise ratio and the random drifts of the scanning wavelength are deduced.
提出了一种利用压电陶瓷构成的可调谐法布里-珀罗腔测量光纤光栅反射波长的方案,该方案可以直接将波长转换为电信号。
A scheme of measuring fiber grating reflective wavelength by tunable Fabry perot cavity, which contains a PZT, is proposed. It can transform the wavelength into electrical signals directly.
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