MDI's WF series waveguide Bandpass and Harmonic Filters excel in applications where high frequency, narrow bandwidth and high 'Q' are essential.
MDI WF系列波导通频和谐波滤波器，擅长应用与高频，窄带宽和高Q频率。
Second Harmonic Generation by periodic domain structure of nonlinear optical waveguide has been studied experimentally. Here reports a method for SHG.
本文研究了光轴周期反转结构光波导的实现方法，利用这种结构的光波导进行了非线性倍频实验。
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