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Proceedings Paper

3D imaging and ranging in a snapshot
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Paper Abstract

Imaging samples with a depth in excess of the depth of field of the objective poses a serious challenge in microscopy. The available techniques such as focus-stacking accomplish the task; however, besides necessitating complicated optical and mechanical arrangements, these techniques often exhibit very long acquisition times. As a result, their applicability is limited to static samples. We describe a simple and practical hybrid 3D imaging technique which permits the acquisition of 3D images in a single snapshot. Additionally, the proposed method solves the post-recovery artefact formation problem which plagues hybrid imaging systems; thus, enabling high-quality, artefact-free images to be obtained. Experimental results indicate that this method can yield an image quality comparable to that given by a focus-stack (which can require up to a few hundred snapshots) from a single snapshot.

Paper Details

Date Published: 23 September 2015
PDF: 9 pages
Proc. SPIE 9630, Optical Systems Design 2015: Computational Optics, 963004 (23 September 2015); doi: 10.1117/12.2192037
Show Author Affiliations
Paul Zammit, Univ. of Glasgow (United Kingdom)
Guillem Carles, Univ. of Glasgow (United Kingdom)
Andrew R. Harvey, Univ. of Glasgow (United Kingdom)

Published in SPIE Proceedings Vol. 9630:
Optical Systems Design 2015: Computational Optics
Daniel G. Smith; Frank Wyrowski; Andreas Erdmann, Editor(s)

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