A one-dimensional tunable magnetic metamaterial

被引：44

作者：

Butz, S. ^{[1
]}

Jung, P. ^{[1
]}

Filippenko, L. V. ^{[2
,3
]}

Koshelets, V. P. ^{[2
,3
]}

Ustinov, A. V. ^{[1
,3
]}

机构：

[1] Karlsruhe Inst Technol, Inst Phys, D-76131 Karlsruhe, Germany

[2] Kotelnikov Inst Radio Engn & Elect IREE RAS, Moscow 125009, Russia

[3] Natl Univ Sci & Technol MISIS, Moscow 119049, Russia

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 19期

关键词：

SUPERCONDUCTING METAMATERIALS;

D O I：

10.1364/OE.21.022540

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present experimental data on a one-dimensional superconducting metamaterial that is tunable over a broad frequency band. The basic building block of this magnetic thin-film medium is a single-junction (rf-) superconducting quantum interference device (SQUID). Due to the nonlinear inductance of such an element, its resonance frequency is tunable in situ by applying a dc magnetic field. We demonstrate that this results in tunable effective parameters of our metamaterial consisting of 54 rf-SQUIDs. In order to obtain the effective magnetic permeability mu(r,eff) from the measured data, we employ a technique that uses only the complex transmission coefficient S-21. (c) 2013 Optical Society of America

引用

页码：22540 / 22548

页数：9

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