在同一个滤波器中同时使用源端负载端耦合和多模腔融合技术，使滤波器的频率选择斜率和阻带性能得到改善。
The slope selectivity and the stopband of the filters are further improved by utilizing a combination of source-load coupling and over-moded cavities in the same filter.
复合腔技术利用主副腔模式耦合的特点，能够充分利用基频光能量，在最大限度上实现有效倍频。
Composite resonator could make full use of the power of the fundamental frequency lasers to the maximum extent by coupling mode of the composite resonator.
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