Improved photonic bandgap cavity and metal rod lattices for microwave and millimeter wave applications

被引：0

作者：

Shapiro, MA ^{[1
]}

Brown, WJ ^{[1
]}

Chen, C ^{[1
]}

Khemani, V ^{[1
]}

Mastovsky, I ^{[1
]}

Sirigiri, JR ^{[1
]}

Temkin, RJ ^{[1
]}

机构：

[1] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA

来源：

2000 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-3 | 2000年

关键词：

D O I：

暂无

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：

We report an experimental and theoretical study of a photonic bandgap (PBG) cavity with improved coupling of the TE10 rectangular waveguide mode into the cavity. The 17 GHz PEG cavity is built with a triangular array of metal rods with a defect (missing rod) in the center. The TM010 - like defect mode is the operating mode for this cavity. In the experiment, critical coupling was achieved by removal or by partial withdrawal of some rods, a result that was verified by simulations. We also report simulation results of PEG structures in metal rod lattices useful for vacuum microwave electron devices. The bandgaps for the fundamental and higher-frequency oscillations in the lattices are determined. These results show that PEG cavities Pre very promising for applications in active and passive devices at microwave and millimeter wave frequencies.

引用

页码：581 / 584

页数：4

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