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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 20 — Oct. 15, 2012
  • pp: 4263–4265

Miniaturized all-optical photoacoustic microscopy based on microelectromechanical systems mirror scanning

Sung-Liang Chen, Zhixing Xie, Tao Ling, L. Jay Guo, Xunbin Wei, and Xueding Wang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 20, pp. 4263-4265 (2012)
http://dx.doi.org/10.1364/OL.37.004263


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Abstract

Achieving photoacoustic microscopic imaging through a miniaturized scanning head is a crucial step toward high-resolution photoacoustic endoscopy. In this work, we have developed a miniaturized probe head using a microelectromechanical systems (MEMS) based mirror for raster scan of the laser beam and our newly developed super broad bandwidth microring resonator based ultrasound detector for photoacoustic signal detection. Through this all-optical design, which offers unique advantages for endoscopic applications, this system is capable of three-dimensional (3D) imaging with high resolution of 17.5 μm in lateral direction and 20 μm in axial direction at a distance of 3.7 mm. After the performance of this system was validated through the experiments on printed grids and a resolution test target, microscopic imaging of the 3D microvasculatures in canine bladders was also conducted successfully, demonstrating the potential of novel photoacoustic endoscopic in future clinical management of bladder cancer.

© 2012 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5120) Medical optics and biotechnology : Photoacoustic imaging
(180.5810) Microscopy : Scanning microscopy

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: August 6, 2012
Manuscript Accepted: August 31, 2012
Published: October 11, 2012

Citation
Sung-Liang Chen, Zhixing Xie, Tao Ling, L. Jay Guo, Xunbin Wei, and Xueding Wang, "Miniaturized all-optical photoacoustic microscopy based on microelectromechanical systems mirror scanning," Opt. Lett. 37, 4263-4265 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4263


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