Three-dimensional holographic reconstruction from computational tomography images

Yan Zhao; Liangcai Cao; Hao Zhang; Qingsheng He; Guofan Jin

doi:10.1117/12.2071164

11 November 2014 Three-dimensional holographic reconstruction from computational tomography images

Yan Zhao, Liangcai Cao, Hao Zhang, Qingsheng He, Guofan Jin

Proceedings Volume 9271, Holography, Diffractive Optics, and Applications VI; 927109 (2014) https://doi.org/10.1117/12.2071164
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

An angular spectrum holographic algorithm is proposed for generating three-dimensional (3D) reconstruction from multiple computational tomography (CT) slices. Objects consist of multiple slices can be easily modeled by the angular spectrum. So the 3D structure can be built through the superposition of computer generated phase holograms originally from parallel discrete planes at different depths. Then the superposed phase hologram is uploaded to the phase-only spatial light modulator (SLM). With the SLM illuminated by the coherent light, the 3D reconstruction is observed by a camera. The proposed method is more computationally efficient compared with the point source algorithm, and the angular spectrum holographic algorithm can process more large-capacity CT data for the 3D visualization. Experiment demonstrates the feasibility of reconstructing CT biological structure with holographic display.

Citation Download Citation

Yan Zhao, Liangcai Cao, Hao Zhang, Qingsheng He, and Guofan Jin "Three-dimensional holographic reconstruction from computational tomography images", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 927109 (11 November 2014); https://doi.org/10.1117/12.2071164

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