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We present a method for automated, depth-resolved extraction of the attenuation coefficient from Optical Coherence Tomography (OCT) data. In contrast to previous automated, depth-resolved methods, the Depth-Resolved Confocal (DRC) technique derives an invertible mapping between the measured OCT intensity data and the attenuation coefficient while considering the confocal function and sensitivity fall-off,...
This study presents the first system characterization results of a novel 1 mm resolution small animal PET system based on cadmium zinc telluride (CZT). The 3-D position-sensitive dual-CZT detector module and readout electronics previously developed in our lab were scaled up to complete significant portions of the final PET system. This sub-system was configured as two opposing detection panels containing...
We report a field-portable lensless on-chip microscope with a lateral resolution of <1μm and a large field-of-view of ∼24mm2. This microscope is based on digital in-line holography and a pixel super-resolution algorithm to process multiple lensfree holograms and obtain a single high-resolution hologram. In its compact and cost-effective design, we utilize 23 light emitting diodes butt-coupled to...
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