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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 5 — May. 17, 2007

Photoacoustic tomography imaging based on a 4f acoustic lens imaging system

Zhanxu Chen, Zhilie Tang, and Wei Wan  »View Author Affiliations

Optics Express, Vol. 15, Issue 8, pp. 4966-4976 (2007)

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The theory of photoacoustic tomography (PAT) imaging using a 4f acoustic lens imaging system has been investigated, and the theoretical results show that a 4f acoustic lens has the ability of imaging and guarantees axial and lateral unit magnification of image. A system, a 4f acoustic lens imaging system combining with time-resolved technique, is developed to acquire PAT images. The 4f acoustic lens is able to image initial photoacoustic (PA) pressure distribution, which exactly resembles the absorption distribution, onto an imaging plane. Combining with time-resolved technique, the linear transducer array is adopted to acquire the PA pressure distribution to reconstruct the PAT images. Experimental results demonstrate that the system is able to obtain PAT images and the images contrast sharply with their backgrounds.

© 2007 Optical Society of America

OCIS Codes
(170.0110) Medical optics and biotechnology : Imaging systems
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.5120) Medical optics and biotechnology : Photoacoustic imaging
(170.6920) Medical optics and biotechnology : Time-resolved imaging

ToC Category:
Imaging Systems

Original Manuscript: February 26, 2007
Revised Manuscript: March 24, 2007
Manuscript Accepted: March 24, 2007
Published: April 9, 2007

Virtual Issues
Vol. 2, Iss. 5 Virtual Journal for Biomedical Optics

Zhanxu Chen, Zhilie Tang, and Wei Wan, "Photoacoustic tomography imaging based on a 4f acoustic lens imaging system," Opt. Express 15, 4966-4976 (2007)

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