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Related Experiment Video

Updated: Jul 6, 2026

Polymeric Microneedle Array Fabrication by Photolithography
08:15

Polymeric Microneedle Array Fabrication by Photolithography

Published on: November 17, 2015

Ultraviolet-cured polymer microlens arrays.

T Okamoto1, M Mori, T Karasawa

  • 1Department of Electrical Engineering, National Defense Academy, Yokosuka 239-8686, Japan. okamoto@ces.kyutech.ac.jp

Applied Optics
|March 6, 2008
PubMed
Summary
This summary is machine-generated.

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This study presents a novel method for fabricating microlens arrays using UV-curable photopolymers. The research details the optimization of conditions for creating high-performance, low f-number lenses with precise diameters.

Area of Science:

  • Optics and Photonics
  • Materials Science
  • Polymer Chemistry

Background:

  • Microlens arrays are crucial components in various optical systems.
  • Fabrication methods often face challenges in achieving precise control over lens parameters.
  • UV-curable photopolymers offer potential for advanced micro-optics fabrication.

Purpose of the Study:

  • To introduce a new method for fabricating microlens arrays.
  • To investigate the use of photopolymer contraction for lens formation.
  • To determine optimal fabrication conditions for low f-number microlenses.

Main Methods:

  • Utilized UV-curable photopolymers and their contraction effect.
  • Fabricated microlenses with diameters ranging from 0.2 to 2 mm.

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  • Optically evaluated lens performance under varied conditions.

    • Main Results:

    • Successfully fabricated microlens arrays using the photopolymer contraction method.
    • Identified key parameters influencing lens diameter and optical properties.
    • Achieved low f-number lenses through optimized fabrication conditions.

    Conclusions:

    • The photopolymer contraction method is effective for microlens array fabrication.
    • Optimized conditions enable the production of high-quality, low f-number microlenses.
    • This technique offers a viable route for micro-optics manufacturing.