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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 21 — Oct. 8, 2012
  • pp: 23944–23953

A 2.5-mm diameter probe for photoacoustic and ultrasonic endoscopy

Joon-Mo Yang, Ruimin Chen, Christopher Favazza, Junjie Yao, Chiye Li, Zhilin Hu, Qifa Zhou, K. Kirk Shung, and Lihong V. Wang  »View Author Affiliations

Optics Express, Vol. 20, Issue 21, pp. 23944-23953 (2012)

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We have created a 2.5-mm outer diameter integrated photo-acoustic and ultrasonic mini-probe which can be inserted into a standard video endoscope’s instrument channel. A small-diameter focused ultrasonic transducer made of PMN-PT provides adequate signal sensitivity, and enables miniaturization of the probe. Additionally, this new endoscopic probe utilizes the same scanning mirror and micromotor-based built-in actuator described in our previous reports; however, the length of the rigid distal section of the new probe has been further reduced to ~35 mm. This paper describes the technical details of the mini-probe and presents experimental results that both quantify the imaging performance and demonstrate its in vivo imaging capability, which suggests that it could work as a mini-probe for certain clinical applications.

© 2012 OSA

OCIS Codes
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5120) Medical optics and biotechnology : Photoacoustic imaging

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: August 2, 2012
Revised Manuscript: September 15, 2012
Manuscript Accepted: September 18, 2012
Published: October 4, 2012

Joon-Mo Yang, Ruimin Chen, Christopher Favazza, Junjie Yao, Chiye Li, Zhilin Hu, Qifa Zhou, K. Kirk Shung, and Lihong V. Wang, "A 2.5-mm diameter probe for photoacoustic and ultrasonic endoscopy," Opt. Express 20, 23944-23953 (2012)

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