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Proceedings Paper

In vivo multi-wavelength optical-resolution photoacoustic microscopy with stimulated Raman scattering fiber-laser source
Author(s): Parsin Hajireza; Alexander Forbrich; Yan Jiang; Wei Shi; Roger Zemp
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Paper Abstract

In this paper we demonstrate a multi-wavelength optical resolution photoacoustic microscopy system for both phantom and in vivo imaging. Using a 1ns pulse width, 40-kHz repetition-rate ytterbium-doped fiber laser and a 3m single-mode polarization maintaining fiber, we produced numerous Raman-shifted wavelength peaks at with pulse energies between 100 and 400nJ per peak. Peak wavelengths were selected by using 10-nm linewidth bandpass filters. The capabilities of this system is shown by creating C-scan photoacoustic images of carbon fiber networks, 200μm dye-filled tubes, and Swiss Webster mouse ears at several wavelengths. Functional imaging potential was confirmed by assessing tubes filled with varying concentrations of two different dyes.

Paper Details

Date Published: 4 March 2013
PDF: 6 pages
Proc. SPIE 8581, Photons Plus Ultrasound: Imaging and Sensing 2013, 858129 (4 March 2013); doi: 10.1117/12.2005145
Show Author Affiliations
Parsin Hajireza, Univ. of Alberta (Canada)
Alexander Forbrich, Univ. of Alberta (Canada)
Yan Jiang, Univ. of Alberta (Canada)
Wei Shi, Univ. of Alberta (Canada)
Roger Zemp, Univ. of Alberta (Canada)


Published in SPIE Proceedings Vol. 8581:
Photons Plus Ultrasound: Imaging and Sensing 2013
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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