A new illumination scheme for photoacoustic computed tomography

Sadreddin Mahmoodkalayeh; Mohammad Ali Ansari; Mohammadreza Nasiriavanaki

doi:10.1117/12.2291589

26 February 2018 A new illumination scheme for photoacoustic computed tomography

Sadreddin Mahmoodkalayeh, Mohammad Ali Ansari, Mohammadreza Nasiriavanaki

Author Affiliations +

Proceedings Volume 10494, Photons Plus Ultrasound: Imaging and Sensing 2018; 104946T (2018) https://doi.org/10.1117/12.2291589
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

Photoacoustic imaging (PAI) has proved to be a promising non-invasive technique for diagnosis, prognosis and treatment monitoring of neurological disorders in small and large animals. The conventional illumination method for photoacoustic is a called top-illumination were diffused light hit the target from one side. However, this method is not suitable for all target shapes and body parts like breast. To overcome this problem we proposed a novel side-illumination scheme where light comes from a set of fibers all around the object. We showed that this method can improve the obtained images with phantom experiments and simulations. This method is particularly useful for in-plane imaging where the ring of fibers scan long objects.

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Sadreddin Mahmoodkalayeh, Mohammad Ali Ansari, and Mohammadreza Nasiriavanaki "A new illumination scheme for photoacoustic computed tomography ", Proc. SPIE 10494, Photons Plus Ultrasound: Imaging and Sensing 2018, 104946T (26 February 2018); https://doi.org/10.1117/12.2291589

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