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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 9 — Sep. 1, 2014
  • pp: 3053–3058

A low-cost photoacoustic microscopy system with a laser diode excitation

Tianheng Wang, Sreyankar Nandy, Hassan S. Salehi, Patrick D. Kumavor, and Quing Zhu  »View Author Affiliations

Biomedical Optics Express, Vol. 5, Issue 9, pp. 3053-3058 (2014)

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Photoacoustic microscopy (PAM) is capable of mapping microvasculature networks in biological tissue and has demonstrated great potential for biomedical applications. However, the clinical application of the PAM system is limited due to the use of bulky and expensive pulsed laser sources. In this paper, a low-cost optical-resolution PAM system with a pulsed laser diode excitation has been introduced. The lateral resolution of this PAM system was estimated to be 7 µm by imaging a carbon fiber. The phantoms made of polyethylene tubes filled with blood and a mouse ear were imaged to demonstrate the feasibility of this PAM system for imaging biological tissues.

© 2014 Optical Society of America

OCIS Codes
(110.5120) Imaging systems : Photoacoustic imaging
(140.2020) Lasers and laser optics : Diode lasers
(170.3880) Medical optics and biotechnology : Medical and biological imaging

ToC Category:
Photoacoustic Imaging and Spectroscopy

Original Manuscript: June 10, 2014
Revised Manuscript: July 25, 2014
Manuscript Accepted: August 8, 2014
Published: August 14, 2014

Tianheng Wang, Sreyankar Nandy, Hassan S. Salehi, Patrick D. Kumavor, and Quing Zhu, "A low-cost photoacoustic microscopy system with a laser diode excitation," Biomed. Opt. Express 5, 3053-3058 (2014)

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