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  Comprehensive analysis of transmit performance for an 8-element loop MRI RF transceiver coil at 300 MHz

Kozlov, M., Xue, R., & Turner, R. (2012). Comprehensive analysis of transmit performance for an 8-element loop MRI RF transceiver coil at 300 MHz. In Proceedings of the Asia-Pacific Microwave Conference 2012 (pp. 1064-1066).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-FA3F-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-C111-D
Genre: Conference Paper

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 Creators:
Kozlov, Mikhail1, Author              
Xue, Rong2, Author
Turner, Robert1, Author              
Affiliations:
1Department Neurophysics, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634550              
2State Key Lab of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences, China, ou_persistent22              

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 Abstract: We numerically investigated the performance of an 8-channel loop-based MRI RF transceiver coil of length 200 mm at 300 MHz. The transceiver was loaded by three human head models placed at five axial positions. For each position and size of the model a set of tune capacitors was obtained, and the robustness and safety of near field generation was evaluated. The transceiver coil showed high robustness, although the safety supervision factor needed to be adjusted for each head position. An optimal head position could be found that did not require transceiver retuning. In this position, a possible reduction of both transmit RF magnetic field and safety excitation efficiency needs to be monitored.

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Language(s): eng - English
 Dates: 2012
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1109/APMC.2012.6421826
 Degree: -

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Title: Asia-Pacific Microwave Conference 2012
Place of Event: Kaohsiung, Taiwan
Start-/End Date: 2012-12-04 - 2012-12-07

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Title: Proceedings of the Asia-Pacific Microwave Conference 2012
Source Genre: Proceedings
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Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1064 - 1066 Identifier: ISBN: 978-1-4577-1330-9