Abstract

In light field microscopy (LFM), the F-number of the micro lens array (MLA) should be matched with the image-side F-number of the objective lens to utilize full resolution of an image sensor. We propose a new F-number matching method that can be applied to multiple objective lenses by using an elastic MLA. We fabricate an elastic MLA with polydimethylsiloxane (PDMS) using a micro contact printing method and address the strain for the F-number variation. The strain response is analyzed, and the LFM system with the elastic MLA is demonstrated. Our proposed system can increase the F-number up to 27.3% and can be applied to multiple objective lenses.

© 2016 Optical Society of America

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Supplementary Material (3)

NameDescription
» Visualization 1: MP4 (1406 KB)      Reconstructed perspective views (R=0).
» Visualization 2: MP4 (1229 KB)      Reconstructed perspective views (R=1).
» Visualization 3: MP4 (1672 KB)      Reconstructed perspective views (R=2).

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