Application of Counter-Wound Multi-Arm Spirals in HTS Resonator Design

被引：0

作者：

Johnston, Taylor L. ^{[1
,2
]}

Edison, Arthur S. ^{[3
]}

Ramaswamy, Vijaykumar ^{[4
]}

Freytag, Nicolas ^{[4
]}

Merritt, Matthew E. ^{[5
]}

Thomas, Jeremy N. ^{[6
,7
]}

Hooker, Jerris W. ^{[8
]}

Litvak, Ilya M. ^{[1
,9
]}

Brey, William W. ^{[1
,9
]}

机构：

[1] Natl High Magnet Lab, Tallahassee, FL 32310 USA

[2] Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA

[3] Univ Georgia, Athens, GA 30602 USA

[4] Bruker Switzerland AG, CH-8117 Fallanden, Switzerland

[5] Univ Florida, Dept Biochem & Mol Biol, Gainesville, FL 32601 USA

[6] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

[7] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA

[8] FAMU FSU Coll Engn, Dept Elect & Comp Engn, Tallahassee, FL 32310 USA

[9] Florida State Univ, Tallahassee, FL 32306 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2022年 / 32卷 / 04期

关键词：

Spirals; High-temperature superconductors; Coils; Nuclear magnetic resonance; Probes; Sensitivity; Substrates; superconducting electronics; superconducting resonators; PROBES;

D O I：

10.1109/TASC.2022.3146109

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：

Significant sensitivity improvements have been achieved by utilizing high temperature superconducting (HTS) resonators in nuclear magnetic resonance (NMR) probes. Many nuclei such as C-13 benefit from strong excitation fields which cannot be produced by traditional HTS resonator designs. We investigate the use of double-sided, counter-wound multi-arm spiral HTS resonators with the aim of increasing the excitation field at the required nuclear Larmor frequency for C-13. When compared to double-sided, counter-wound spiral resonators with similar geometry, simulations indicate that the multi-arm spiral version develops a more uniform current distribution. Preliminary tests of a two-arm resonator indicate that it may produce a stronger excitation field.

引用

页数：4

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