$4\times16$ fiber-optic array based on F–P interference, which enables parallel sensing for imaging with a volume rate of 10 Hz. We experimentally demonstrated that the fiber-optic array ultrasound sensor exhibited a pressure nonlinearity of <3.64%, and −6 dB bandwidth from ~0 to 18.3 MHz. High-definition imaging is achieved by this sensing array without mechanical scanning. As the ultrasound sensing realized by optics, the photoacoustic imaging system is potentially an all-optic system with broadband response.">

A Fabry–Perot Fiber-Optic Array for Photoacoustic Imaging (original) (raw)

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