• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 25 Issue 1
Mar.  2012
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Article Contents
RONG Jian, CHEN Bingzhang, ZHONG Xiaochun, HUANG Lin, JIANG Huabei. Design of Photoacoustic Imaging System with High Positioning Accuracy Based on PCI4732[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 115-120. doi: 10.3969/j.issn.0258-2724.2012.021.01.019
Citation: RONG Jian, CHEN Bingzhang, ZHONG Xiaochun, HUANG Lin, JIANG Huabei. Design of Photoacoustic Imaging System with High Positioning Accuracy Based on PCI4732[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 115-120. doi: 10.3969/j.issn.0258-2724.2012.021.01.019

Design of Photoacoustic Imaging System with High Positioning Accuracy Based on PCI4732

doi: 10.3969/j.issn.0258-2724.2012.021.01.019
  • Received Date: 17 Oct 2011
  • Publish Date: 25 Feb 2012
  • In order to research the photoacoustic imaging abilities of different absorbers, a photoacoustic imaging system was developed based on Labview software design platform coupled with PCI4732 and high positioning accuracy rotation stage RT-5-10. This system consists of a pulsed laser, an immersion probe and an amplifier and so on, and a PCI (peripheral component interconnect) bus was used to realize the connection between the PCI card and a computer. A high resolution filtered back-projection reconstruction algorithm was used to process the data and obtained high contrast and high resolution images. To verify the practicability of the developed system it was tested using human hairs as objects respectively with 2.25, 5.00 and 10.00 MHz transducers. The result indicates that a 5 MHz transducer can gain clearer images than a 2.25 or 10 MHz transducer to show that certain absorber should correspond to certain frequency of transducer.

     

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