Chapter 4

Wave Guides for Micromagnetic Resonance

Ali Yilmaz

Ali Yilmaz

University of Southampton, School of Chemistry, Highfield, Southampton SO17 1BJ, UK

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Marcel Utz

Marcel Utz

University of Southampton, School of Chemistry, Highfield, Southampton SO17 1BJ, UK

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Jens Anders

Jens Anders

University of Stuttgart, Institute of Smart Sensors, Pfaffenwaldring 47, Stuttgart, 70569 Germany

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Jan G. Korvink

Jan G. Korvink

Karlsruhe Institute of Technology, Institute of Microstructure Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, 76344 Germany

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First published: 18 May 2018
Book Series:Advanced Micro and Nanosystems

Summary

This chapter is concerned with the use of planar wave guides, such as striplines and microstrips, as inductive detectors for nuclear magnetic resonance (NMR) spectroscopy and imaging. Wave guides are long structures of an insulator surrounded by conducting surfaces, usually with a constant cross section. Wave guide structures have been used extensively in the design of probes for dynamic nuclear polarization, which require simultaneous irradiation at NMR and electron paramagnetic resonance (EPR) frequencies. Traveling-wave NMR, which has been demonstrated in the context of magnetic resonance imaging and NMR spectroscopy, could have significant advantages at the microscale, as it allows the spatial separation of the sample and the detection circuitry. Planar wave guide structures have been used extensively in solid-state physics, including in experiments that relate directly or indirectly to magnetic resonance.

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