回音壁模高Q蓝宝石谐振器研究与设计  

Research and Design of Whispering Gallery High Q Sapphire Resonator

作　　者：杨非[1] 齐宁华[1] 孙忠良[1] 

机构地区：[1]东南大学毫米波国家重点实验室,南京210096

出　　处：《固体电子学研究与进展》2008年第4期520-523,共4页Research & Progress of SSE

基　　金：国家自然科学基金委创新基金资助(60621002)

摘　　要：采用径向+轴向模式匹配法完成了蓝宝石回音壁的模式分析,包括高次回音壁模式谐振频率的计算和电磁场分布,并研究了回音壁模谐振器的金属腔体设计等关键问题。制作的高Q蓝宝石谐振器在10.99GHz处,有载Q值达到了45000、插入损耗小于9dB。谐振器性能指标优越,非常适合应用于低相位噪声振荡器设计中。The whispering gallery modes （WGM） in the sapphire are analyzed by axial＋radial mode matching method, including the WGM resonant frequency and the electromagnetic field distribution. Also the influence of the cavity in the resonator design is analyzed here. Finally a whispering gallery high Q sapphire resonator was fabricated and tested. The measured load-Q is 45 000, and the insertion-loss is lower than9 dB at the resonant frequency 10. 99 GHz. The resonator＇s performance is good and this resonator is very suitable for the low phase noise oscillator design.

关 键 词：高Q 回音壁模 蓝宝石 谐振器 

分 类 号：TN751.1[电子电信—电路与系统]