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Microwave-induced thermoacoustic imaging is a noninvasive, high contrast, high resolution, and cost effective method for cancer detection. It has the potential to serve as a routine breast tumor screening. In the present study, simulation and experiment have been used for pulsed microwave energy spatial distribution investigation. The target to be imaged is a 99 square array composed of tubes 3 mm in diameter and 8 mm in separation. The simulation and experimental results both indicat that far away from the antenna, more tubes could be thermoacoustically recovered, which means a larger radiation area obtained. The thermoacooustically recovered tubes are 3.1 mm in diameter and 7.7 mm in separation. Obtained results suggest that it is feasible to detect microwave energy spatial distribution with the thermoacoustic imaging, which has paved the way to solve the inhomogeneous microwave energy problem in traditional quantitative thermoacoustic tomography.
[1] Olsen R G, Lin J C 1983 Bioelectromagnetics 01 397
[2] Wang S H, Tao C, Liu X J 2013 Chin. Phys. B 22 074303
[3] [4] Mashal A, BooskeJ H, Hagness SC 2009 Phys. Med. Biol. 54 641
[5] [6] [7] Bauer D R, Wang X, Vollin J 2012 Appl. Phys. Lett. 101 1
[8] Wang L V, Zhao X M, Sun H T 1999 Rev. Sci. Instrum. 70 3744
[9] [10] Yao L, Guo G F, Jiang H B 2010 Med. Phys. 37 3752
[11] [12] Kruger R A, Kopecky K K, Aisen A M 1999 Radiology. 211 275
[13] [14] Ku G, Wang L V 2001 Med. Phys. 28 4
[15] [16] [17] Yang S H, Xing D, Xiang L Z 2007 Science in China 37 101 (in Chinese) [杨思华, 邢达, 向良忠 2007 中国科学 37 101]
[18] [19] Nie L M, Xing D, Yang D W 2007 Appl. Phys. Lett. 90 1
[20] Zeng L M, Xing D, Gu H M 2006 Chin. Phys. Lett. 23 1215
[21] [22] Yuan Y, Yang S H 2012 Chin. Phys. B. 21 054211
[23] [24] [25] Tao C J, Song T, Wu S Z 2007 Beijing Biomedical Engineering 26 23 (in Chinese) [陶春静, 宋涛, 吴石增 2007 北京生物医学工程 26 23]
[26] [27] Liu G D, Zhang Y R 2011 Acta Phys. Sin. 60 431 (in Chinese) [刘广东, 张业荣 2011 物理学报 60 431]
[28] [29] Huang L, Yao L, Liu L X 2012 Appl. Phys. Lett. 101 1
[30] [31] Ciocan R, Jiang H 2004 Med. Phys. 31 3231
[32] [33] Zhen Yuan, Huabei Jiang 2006 Appl. Phys. Lett. 88 231101
[34] Lin J C 1991 IEEE Standards Coordinating Committee. 95 1
[35] -
[1] Olsen R G, Lin J C 1983 Bioelectromagnetics 01 397
[2] Wang S H, Tao C, Liu X J 2013 Chin. Phys. B 22 074303
[3] [4] Mashal A, BooskeJ H, Hagness SC 2009 Phys. Med. Biol. 54 641
[5] [6] [7] Bauer D R, Wang X, Vollin J 2012 Appl. Phys. Lett. 101 1
[8] Wang L V, Zhao X M, Sun H T 1999 Rev. Sci. Instrum. 70 3744
[9] [10] Yao L, Guo G F, Jiang H B 2010 Med. Phys. 37 3752
[11] [12] Kruger R A, Kopecky K K, Aisen A M 1999 Radiology. 211 275
[13] [14] Ku G, Wang L V 2001 Med. Phys. 28 4
[15] [16] [17] Yang S H, Xing D, Xiang L Z 2007 Science in China 37 101 (in Chinese) [杨思华, 邢达, 向良忠 2007 中国科学 37 101]
[18] [19] Nie L M, Xing D, Yang D W 2007 Appl. Phys. Lett. 90 1
[20] Zeng L M, Xing D, Gu H M 2006 Chin. Phys. Lett. 23 1215
[21] [22] Yuan Y, Yang S H 2012 Chin. Phys. B. 21 054211
[23] [24] [25] Tao C J, Song T, Wu S Z 2007 Beijing Biomedical Engineering 26 23 (in Chinese) [陶春静, 宋涛, 吴石增 2007 北京生物医学工程 26 23]
[26] [27] Liu G D, Zhang Y R 2011 Acta Phys. Sin. 60 431 (in Chinese) [刘广东, 张业荣 2011 物理学报 60 431]
[28] [29] Huang L, Yao L, Liu L X 2012 Appl. Phys. Lett. 101 1
[30] [31] Ciocan R, Jiang H 2004 Med. Phys. 31 3231
[32] [33] Zhen Yuan, Huabei Jiang 2006 Appl. Phys. Lett. 88 231101
[34] Lin J C 1991 IEEE Standards Coordinating Committee. 95 1
[35]
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