Piezoelectric transducer (PZT) are often used for providing reciprocal sine phase modulation in all-fiber optic gyroscope (FOG) and its non-linearities can affect the accuracy of FOG.

• 在全光纤开环光纤陀螺中,利用压电陶瓷调制器可以为光纤陀螺提供互易性正弦相位偏置,但相位调制中的寄生非线性会对陀螺测量产生影响。