Optical Fiber Probe for All-optical Photoacoustic Measurement

DOI DOI 1 Citations 7 References Open Access
  • Miida Yusuke
    Field of Biomedical Optics, Cource of Biomedical Measurements and Diagnostics, Graduate School of Biomedical Engineering, Tohoku University
  • Matsuura Yuji
    Field of Biomedical Optics, Cource of Biomedical Measurements and Diagnostics, Graduate School of Biomedical Engineering, Tohoku University
  • Israel Gannot
    editor

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  • 全光学式光音響計測用光ファイバプローブ

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Description

An optical fiber ultrasound probe for all-optical photoacoustic endoscopy imaging is developed. The probe has a Fabry Perot interferometer consisting of a Polymer film attached at the end surface of a single-mode optical fiber. The interferometer detectsacoustically-induced pressure change in the optical thickness and transform the change into output optical power. Experimental results show that the probe functions well as a photoacoustic probe and the SNR is comparable to that of a PVDF hydrophone. Results for B-mode imaging of blood vessel phantom taken by using the fiber probe are also shown.

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