Snapshot volumetric imaging using rainbow-sheet illumination

Author:

Zhao Xuan1ORCID,Yuan Hang1ORCID,Zhang Pengfei1ORCID,Gao Feng1ORCID

Affiliation:

1. School of Precision Instrument and Opto-Electronics Engineering, Tianjin University , Tianjin 300072, China

Abstract

Traditional lens-based three-dimensional imaging methods struggle with speed, spatial resolution, field of view, and depth of field (DOF). Here, we propose a volumetric imaging method that combines rainbow-sheet illumination, chromatic-aberration-induced DOF extension, and compressive hyperspectral imaging to optically section transparent objects over 200 depth slices in a single snapshot. A proof-of-concept mesoscopic system with a lateral resolution of 12.7 line pairs per millimeter and a depth resolution of roughly 140 μm in a volume of 10 × 10 × 10 mm3 is constructed. The practicality of the suggested method is demonstrated by dynamic volumetric imaging of a transparent jellyfish at a rate of 15 volumes per second.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

AIP Publishing

Subject

Computer Networks and Communications,Atomic and Molecular Physics, and Optics

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