Miniaturized high-efficiency snapshot polarimetric stereoscopic imaging
DOI:
10.1364/optica.549864
Publication Date:
2025-02-18T16:00:55Z
AUTHORS (12)
ABSTRACT
Stereoscopic imaging reveals the 3D morphology of objects by collecting
dense optical data from multiple views. However, traditional active
methods rely on structured light illumination, while passive methods
require substantial bulky optical components, hindering the
development of portable, real-time stereoimaging systems. Here, we
demonstrate miniaturized passive snapshot polarimetric stereoscopic
imaging (SPSIM) using a polarimetric metalens. This protocol
outperforms commercial polarimetric cameras in efficiency and enables
the separation of circular polarization (CP) components for full
Stokes parameter acquisition. By incorporating polarimetric physical
priors into the neural network, we significantly enhance the accuracy
of the 3D reconstruction process, enabling instant stereoimaging from
a single shot with low mean absolute error. The inclusion of CP
information improves 3D surface detail reconstruction, achieving depth
precision within 0.15 mm. Our SPSIM system is well suited for
integration into miniaturized devices for use in extreme environments,
while advancing next-generation high-resolution 3D imaging
systems.
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