EPR microwave cavity for small magnet airgaps

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United States of America Patent

PATENT NO 10353027
APP PUB NO 20160274200A1
SERIAL NO

15063536

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A microwave resonator for an EPR probe head has a metal cavity body (1) supporting an electromagnetic microwave resonance mode. The metal cavity body (1) has an opening for inserting a sample tube (2) to a center position of the resonator. The center of the opening and the center position of the resonator define an x-axis. The cavity body also has an opening for transmitting microwave radiation into the resonator. Two dielectric elements (4a, 4b) are located symmetrically to the E-field nodal plane containing the x-axis and a z-axis perpendicular to the x-axis. Each dielectric element is geometrically formed and positioned such that it provides an equal overlap with a local maximum of the microwave electric field energy. The microwave resonant cavity has a thin planar shape and the resonator is loaded with two dielectric elements, placed symmetrically relative to the central EPR sample.

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Patent Owner(s)

  • BRUKER BIOSPIN GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoefer, Peter Ettlingen, DE 8 162
Prisecaru, Ion Karlsruhe, DE 4 4

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