A Distributed Magnetostatic Resonator

被引：6

作者：

Devitt, Connor ^{[1
]}

Tiwari, Sudhanshu ^{[1
]}

Bhave, Sunil A. ^{[1
]}

Wang, Renyuan ^{[2
]}

机构：

[1] Purdue Univ, Elmore Family Sch Elect & Comp Engn, OxideMEMS Lab, W Lafayette, IN 47907 USA

[2] BAE Syst Inc, FAST Lab, Nashua, NH 03060 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2024年 / 72卷 / 10期

关键词：

Gold; Transducers; Magnetostatic waves; Magnetostatics; Couplings; Magnetoacoustic effects; Filters; Magnetostatic wave (MSW); micromachining; tunable resonator; yttrium iron garnet (YIG); TUNABLE MICROWAVE RESONATORS; WAVE; CIRCUIT; FILTER; TECHNOLOGY;

D O I：

10.1109/TMTT.2024.3381549

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work reports the design, fabrication, and characterization of coupling-enhanced magnetostatic forward volume wave (MSFVW) resonators with significant spur suppression. The fabrication is based on surface micromachining of yttrium iron garnet (YIG) film on a gadolinium gallium garnet (GGG) substrate with thick gold transducers. A distributed resonator is used to excite forward volume waves in YIG to realize a frequency-dependent coupling boost. Fabricated devices at 18 and 7 GHz show coupling coefficients as high as 13% and quality factors above 1000. Higher order magnetostatic mode suppression is experimentally demonstrated through a combination of transducer and YIG geometry design.

引用

页码：5679 / 5686

页数：8

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