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Ranjbaran S M, Fallah H, Hajimahmoodzadeh M, Nasiri Avanaki M. Investigation and simulation of photoacoustic signal propagation in heterogeneous human head by using finite element method. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :273-276
URL: http://opsi.ir/article-1-1537-en.html
URL: http://opsi.ir/article-1-1537-en.html
Seyed Mohsen Ranjbaran *1 
, Hamidreza Fallah1 , Morteza Hajimahmoodzadeh1 , Mohammadreza Nasiri Avanaki2
, Hamidreza Fallah1 , Morteza Hajimahmoodzadeh1 , Mohammadreza Nasiri Avanaki2
1- Physics Department, Sciences Faculty, University of Isfahan
2- Biomedical Engineering Department, Wayne State University
2- Biomedical Engineering Department, Wayne State University
Abstract: (2733 Views)
Several methods have been used for imaging soft tissue, tumors (especially cancerous tumor) and similar structure. One of the newest methods is photoacoustic imaging in which the tissue is illuminated by an appropriate laser pulse and the produced acoustic wave resulting from thermal expansion of the tissue is recorded. In this paper, this technique is simulated for a tumor inside the brain, and the effect of its size, depth and the thickness of the skull on the recorded acoustic wave by the finite element time domain method are investigated.
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