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Detection of Ultrasound and Photoacoustic Imaging with Fiber Bragg Gratings
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AbstractIn this paper, we explore a simple and effective fiber Bragg grating demodulation setup to detect ultrasound. Different frequency ultrasound from hundreds of kHz to several MHz were detected successfully. For the first time, we combine ultrasound from a PZT transducer with a photoacoustic imaging systemto obtain a clear photoacoustic image of our pencil lead sample. With the advantage of small size and all-optical features, this method has the potential to be applied to medical endoscopic examination in an electromagnetic environment. This preliminary study suggests that the ultrasound detection with fiber Bragg grating is both meaningful and feasible.
Title: Detection of Ultrasound and Photoacoustic Imaging with Fiber Bragg Gratings
Description:
AbstractIn this paper, we explore a simple and effective fiber Bragg grating demodulation setup to detect ultrasound.
Different frequency ultrasound from hundreds of kHz to several MHz were detected successfully.
For the first time, we combine ultrasound from a PZT transducer with a photoacoustic imaging systemto obtain a clear photoacoustic image of our pencil lead sample.
With the advantage of small size and all-optical features, this method has the potential to be applied to medical endoscopic examination in an electromagnetic environment.
This preliminary study suggests that the ultrasound detection with fiber Bragg grating is both meaningful and feasible.
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