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Title: Magnetically mediated thermoacoustic imaging toward deeper penetration
Authors: Feng, Xiaohua
Gao, Fei
Zheng, Yuanjin
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2013
Source: Feng, X., Gao, F.,& Zheng, Y. (2013). Magnetically mediated thermoacoustic imaging toward deeper penetration. Applied Physics Letters, 103(8), 083704.
Series/Report no.: Applied physics letters
Abstract: Magnetically mediated thermo-acoustic effect is predicted in theory and demonstrated in phantom studies in this letter. By applying transient current to a compact magnetically resonant coil at radio frequency below 20 MHz, large electric field is inducted by magnetic field inside conductive objects which then undergoes joule heating and emanates acoustic signal thermo-elastically. The magnetic mediation approach with low radio frequency can provide deeper penetration into conductive objects which may extend thermoacoustic imaging to deep laid human organs. Both incoherent time domain and coherent frequency domain approaches are discussed with the latter demonstrated potential for portable imaging system.
ISSN: 0003-6951
DOI: 10.1063/1.4819391
Rights: © 2013 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP. The paper can be found at the following official DOI: [].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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