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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 2, Iss. 9 — Sep. 1, 2011
  • pp: 2655–2664

Piezoelectric annular array for large depth of field photoacoustic imaging

K. Passler, R. Nuster, S. Gratt, P. Burgholzer, and G. Paltauf  »View Author Affiliations

Biomedical Optics Express, Vol. 2, Issue 9, pp. 2655-2664 (2011)

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A piezoelectric detection system consisting of an annular array is investigated for large depth of field photoacoustic imaging. In comparison to a single ring detection system, X-shaped imaging artifacts are suppressed. Sensitivity and image resolution studies are performed in simulations and in experiments and compared to a simulated spherical detector. In experiment an eight ring detection systems offers an extended depth of field over a range of 16 mm with almost constant lateral resolution.

© 2011 OSA

OCIS Codes
(110.5120) Imaging systems : Photoacoustic imaging
(110.7170) Imaging systems : Ultrasound

ToC Category:
Photoacoustic Imaging and Spectroscopy

Original Manuscript: July 5, 2011
Revised Manuscript: August 1, 2011
Manuscript Accepted: August 4, 2011
Published: August 22, 2011

K. Passler, R. Nuster, S. Gratt, P. Burgholzer, and G. Paltauf, "Piezoelectric annular array for large depth of field photoacoustic imaging," Biomed. Opt. Express 2, 2655-2664 (2011)

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