Abstract #3565

Lenz lenses: RF field amplification and increased sensitivity using passive inductive elements

Peter T. While^1,2, Nils Spengler^3,4, and Jan G. Korvink³

¹Department of Radiology and Nuclear Medicine, St. Olav's University Hospital, Trondheim, Norway, ²IMTEK - Laboratory for Simulation, University of Freiburg, Freiburg, Germany, ³Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany, ⁴IMTEK - Laboratory for Microactuators, University of Freiburg, Freiburg, Germany

Lenz lenses are discrete elements that focus magnetic flux by virtue of their configuration. By the principle of reciprocity, Lenz lenses may be used to increase both B₁-field strength and receiver sensitivity in an NMR experiment. We present the theory that describes Lenz lenses and their geometrical optimization, plus some preliminary experimental results that demonstrate a three-fold increase in local SNR.

How to access this content:

For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.

After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.

After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.

Click here for more information on becoming a member.