1. Multimodal simultaneous photoacoustic tomography, optical resolution microscopy, and OCT system

    Multimodal simultaneous photoacoustic tomography, optical resolution microscopy, and OCT system

    A novel combined photoacoustic tomography (PAT), optical resolution photoacoustic microscopy (ORPAM) and optical coherence tomography (OCT) instrument has been developed for imaging biological tissues. The system is based on the use of a Fabry-Perot (FP) polymer film ultrasound sensor. This is designed to be transparent to wavelengths between 590nm and 1200nm so that photoacoustic excitation laser pulses in this spectral range can be transmitted through the sensor into the underlying tissue to allow backward mode operation. The dual PAT-ORPAM capability of the system was demonstrated by imaging a tissue phantom composed of 7µm diameter carbon fibres immersed in an ...

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