The theoretical and experimental results are presented, which show the low axial ratio and low loss characteristics over octavefrequency band of the polarizer.
给出理论和实验结果，证明了这种四层曲折圆极化器可以在倍频程范围内得到良好的低轴比、低损耗特性。
2
Each iteration of the loop adds another octaveof twice the frequency.
每次循环跌代叠加另一个两倍频率的倍频。
3
They measured the radio frequency instead of optical frequency measurement with optical frequency comb and technology ofoctave-spanning.