(英)钡铁氧体薄膜自偏置毫米波环行器设计与制备
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电子科技大学,电子科技大学,电子科技大学,电子科技大学,电子科技大学

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中央高校基本科研业务费(ZYGX2010J039);国防预研基金项目(9140A12020311DZ0202);新世纪优秀人才支持计划(NCET-12-0099)


Design and fabrication of self-biased millimeter wave circulator using barium ferrite thin films
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University of Electronic Science and Technology of China,University of Electronic Science and Technology of China,University of Electronic Science and Technology of China,University of Electronic Science and Technology of China,University of Electronic Science and Technology of China

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    摘要:

    基于厚度为10 μm的钡铁氧体薄膜设计,制备了共面波导结构的毫米波薄膜环行器.这种薄膜环行器不需要外加磁体,在34 GHz和37.6 GHz显示出环行特性,其非互易效应大于15 dB.结果表明,采用共面波导结构可以实现薄膜环行器.这种薄膜环行器具有和单片微波集成电路集成的潜在应用.

    Abstract:

    A millimeter wave film circulator with coplanar waveguide structure was designed and fabricated using barium ferrite films with thickness of 10 μm. The film circulator operates without external magnet and shows clear circulation at 34 GHz and 37.6 GHz. Circulation with non-reciprocal effect greater than 15 dB has been observed. The results show that circulator using very thin ferrite films can be realized with coplanar waveguide structure. The film circulator exhibits potential to integrate with MMIC.A millimeter wave film circulator with coplanar waveguide structure was designed and fabricated using barium ferrite films with thickness of 10 μm. The film circulator operates without external magnet and shows clear circulation at 34 GHz and 37.6 GHz. Circulation with non-reciprocal effect greater than 15 dB has been observed. The results show that circulator using very thin ferrite films can be realized with coplanar waveguide structure. The film circulator exhibits potential to be integrated with MMIC.

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彭斌,汪渊,徐慧忠,张文旭,张万里.(英)钡铁氧体薄膜自偏置毫米波环行器设计与制备[J].红外与毫米波学报,2013,32(4):294~297]. PENG Bin, WANG Yuan, XU Hui-Zhong, ZHANG Wen-Xu, ZHANG Wan-Li. Design and fabrication of self-biased millimeter wave circulator using barium ferrite thin films[J]. J. Infrared Millim. Waves,2013,32(4):294~297.]

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  • 收稿日期:2012-09-07
  • 最后修改日期:2013-04-03
  • 录用日期:2012-10-22
  • 在线发布日期: 2013-08-29
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