Measurement of microwave equivalent refractive index of traveling wave electrode in LiNbO3 electro-optic modulator
LiNbO3电光调制器行波电极微波等效折射率的测量

The effective microwave refractive index (Nm) of traveling wave electrode is an important parameter in the designing of LiNbOs electro-optic modulator. A method for mea-kiring Nm is proposed in this paper. The probe frames, microwave probe and three kinds of sample CPW electrodes used in this method are designed and fabricated. The experimental results of Nm in CPW traveling-wave electrode are given. Finally, the errors of the measurement are analyzed.