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.

• 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。