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Proceedings Article

Optical-resolution photoacoustic micro-endoscopy using image-guide fibers and fiber laser technology

[+] Author Affiliations
P. Hajireza, W. Shi, P. Shao, S. Kerr, R. J. Zemp

Univ. of Alberta (Canada)

Proc. SPIE 7899, Photons Plus Ultrasound: Imaging and Sensing 2011, 78990P (February 17, 2011); doi:10.1117/12.875127
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From Conference Volume 7899

  • Photons Plus Ultrasound: Imaging and Sensing 2011
  • Alexander A. Oraevsky; Lihong V. Wang
  • San Francisco, California, USA | January 22, 2011

abstract

In this paper the feasibility of optical-resolution photoacoustic micro-endoscopy (OR-PAME) using image guide fibers and a unique fiber laser system is demonstrated. The image guide consists of 30,000 individual fibers in a bundle 800 μm in diameter and the diode-pumped, pulsed Ytterbium fiber laser can provide repetition rates up to 600 kHz. Phantom studies indicate 7+/-2 μm resolution. The compact, flexible nature of the image guide and the small footprint of the apparatus make it ideal for photoacoustic micro-endoscopy, as well as increasing the usability of OR-PAM for potential clinical applications.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

P. Hajireza ; W. Shi ; P. Shao ; S. Kerr and R. J. Zemp
"Optical-resolution photoacoustic micro-endoscopy using image-guide fibers and fiber laser technology", Proc. SPIE 7899, Photons Plus Ultrasound: Imaging and Sensing 2011, 78990P (February 17, 2011); doi:10.1117/12.875127; http://dx.doi.org/10.1117/12.875127


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