3D imaging via holography and improved numerical reconstruction

3D imaging via holography and improved numerical reconstruction

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物質理工学院 Saulius Juodkazis特任教授の国際共著論文

“Single-shot mid-infrared incoherent holography using Lucy-Richardson-Rosen algorithm”

が、Opto-Electronic Science  に掲載されました。(DOI:10.29026/oes.2022.210006

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<Abstract>
In recent years, there has been a significant transformation in the field of incoherent imaging with new possibilities of compressing three-dimensional (3D) information into a two-dimensional intensity distribution without two-beam interference (TBI). Most of the incoherent 3D imagers without TBI are based on scattering by a random phase mask exhibiting sharp autocorrelation and low cross-correlation along the depth. Consequently, during reconstruction, high lateral and axial resolutions are obtained. Imaging based on scattering requires an astronomical photon budget and is therefore precluded in many power-sensitive applications. In this study, a proof-of-concept 3D imaging method without TBI using deterministic fields has been demonstrated. A new reconstruction method called the Lucy-Richardson-Rosen algorithm has been developed for this imaging concept. We believe that the proposed approach will cause a paradigm-shift in the current state-of-the-art incoherent imaging, fluorescence microscopy, mid-infrared fingerprinting, astronomical imaging, and fast object recognition applications.