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Insect-Mimetic Imaging System Based on a Microlens Array Fabricated by a Patterned-Layer Integrating Soft Lithography

Minwon Seo1, Jong-Mo Seo2,3, Dong-Il Dan Cho4

  • 1Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, Korea. sm7bmw@snu.ac.kr.

Sensors (Basel, Switzerland)
|June 23, 2018
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Summary
This summary is machine-generated.

This study presents a novel multiaperture imaging system inspired by arthropods, utilizing a microlens array for wide-angle views. The system reconstructs depth images from single-shot captures, demonstrating its potential applications.

Keywords:
insect-mimeticmicrolens arraymultiaperture vision system

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Area of Science:

  • Optics and Photonics
  • Biomimetic Engineering
  • Image Processing

Background:

  • Arthropods utilize multiaperture vision for compact, wide-angle imaging.
  • Traditional single-aperture systems have limitations in field-of-view and size.
  • Micro-optical structures offer advantages in miniaturization and visual range.

Purpose of the Study:

  • To develop a biomimetic multiaperture imaging system.
  • To fabricate a microlens array using patterned-layer integrating soft lithography (PLISL).
  • To demonstrate the system's capability for depth plane reconstruction.

Main Methods:

  • Fabrication of a microlens array with a patterned light screening layer using PLISL.
  • Integration of the microlens array with a lens-adjusting jig and a charge-coupled device (CCD) image sensor.
  • Reconstruction of multiple depth plane images from single-shot subimages.

Main Results:

  • A thin, multiaperture imaging system with a 100-degree field-of-view was manufactured.
  • The PLISL process successfully created a microlens array with an integrated light screening layer.
  • Multiple depth plane images were reconstructed from the captured subimages.

Conclusions:

  • The developed multiaperture imaging system offers a compact, wide-angle solution.
  • The PLISL technique is effective for fabricating micro-optical structures with integrated screening.
  • The system demonstrates potential for applications requiring depth perception from single-shot imaging.