AN ACTIVE TRANSMIT/RECEIVE NMR MAGNETOMETER FOR FIELD MONITORING IN ULTRA HIGH FIELD MRI SCANNERS

被引：1

作者：

Handwerker, J. ^{[1
]}

Bonehi, V ^{[1
]}

Eschelbach, M. ^{[2
]}

Scheffler, K. ^{[2
,3
]}

Ortmanns, M. ^{[1
]}

Anders, J. ^{[1
]}

机构：

[1] Univ Ulm, Inst Microelect, Ulm, Germany

[2] Max Planck Inst Biol Cybernet, High Field MR Ctr, Tubingen, Germany

[3] Univ Tubingen, Dept Biomed Magnet Resonance, Tubingen, Germany

来源：

BIOMEDICAL ENGINEERING-BIOMEDIZINISCHE TECHNIK | 2013年 / 58卷

关键词：

NMR magnetometry; ultra high field MRI; gradient field monitoring; active NMR field probes;

D O I：

10.1515/bmt-2013-4263

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We present a miniaturized active nuclear magnetic resonance (NMR) magnetometer consisting of a susceptibility matched field probe and a PCB based RF transceiver. Thanks to its transmit-receive (TX/RX) capabilities, the system can be used to monitor the spatio-temporal field evolution during a magnetic resonance imaging (MRI) scan and thereby allows for a correction of gradient field imperfections to improve image quality. The magnetometer can be tuned for magnetic fields ranging from 7 T to 15.5 T and achieves a resolution of 14.8 nT measured in a 9.4 T whole body scanner.

引用

页数：2

共 50 条

[21] Ultra-High-Field MRI in Neurology
Ladd, M. E.
Timmann, D.
Gizewski, E. R.
AKTUELLE NEUROLOGIE, 2010, 37 (05) : 219 - 230
[22] High-Frequency Active Transmit/Receive Antenna
White, Carson R.
Ramos, Ignacio
Bracy, Gregory
Deboy, Jonathan K.
2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024, 2024, : 2397 - 2398
[23] Ultra-Low-Field NMR Relaxation and Diffusion Measurements Using an Optical Magnetometer
Ganssle, Paul J.
Shin, Hyun D.
Seltzer, Scott J.
Bajaj, Vikram S.
Ledbetter, Micah P.
Budker, Dmitry
Knappe, Svenja
Kitching, John
Pines, Alexander
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2014, 53 (37) : 9766 - 9770
[24] EarLens transducer behavior in high-field strength MRI scanners
Fritsch, Michael H.
Fay, Jonathan P.
OTOLARYNGOLOGY-HEAD AND NECK SURGERY, 2009, 140 (03) : 426 - 428
[25] An Active TX/RX NMR Probe for Real-Time Monitoring of MRI Field Imperfections
Handwerker, Jonas
Ortmanns, Maurits
Anders, Jens
Eschelbach, Martin
Chang, Paul
Henning, Anke
Scheffler, Klaus
2013 IEEE BIOMEDICAL CIRCUITS AND SYSTEMS CONFERENCE (BIOCAS), 2013, : 194 - 197
[26] A simulation study on receivers of ultra-low field MRI with an optically pumped magnetometer
Hori S.
Oida T.
Kobayashi T.
Transactions of Japanese Society for Medical and Biological Engineering, 2021, Annual59 (Proc): : 840 - 842
[27] Ultra-High Field NMR and MRI - The Role of Magnet Technology to Increase Sensitivity and Specificity
Moser, Ewald
Laistler, Elmar
Schmitt, Franz
Kontaxis, Georg
FRONTIERS IN PHYSICS, 2017, 5
[28] Clinical application of high and ultra high-field MRI
Nakada, Tsutomu
BRAIN & DEVELOPMENT, 2007, 29 (06): : 325 - 335
[29] Perspectives of Ultra-High-Field MRI in Neuroradiology
E. R. Gizewski
C. Mönninghoff
M. Forsting
Clinical Neuroradiology, 2015, 25 : 267 - 273
[30] Perspectives of Ultra-High-Field MRI in Neuroradiology
Gizewski, E. R.
Monninghoff, C.
Forsting, M.
CLINICAL NEURORADIOLOGY, 2015, 25 : 267 - 273

← 1 2 3 4 5 →