Comparative performance analysis of 100% fill-factor microlens arrays fabricated by various methods

A. Akatay, A. Waddie, H. Suyal, M. Taghizadeh, H. Urey

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Fill-factor of microlens arrays (MLAs) is one of the most important performance criteria of microlens arrays (MLA), especially in imaging applications. Low fill-factor lenses suffer greatly from spurious light and diffraction affects and result in low contrast in a beam steering system. Contrast ratio of low fill-factor circular shaped microlens arrays is nearly one-fourth of that of the system with high fill-factor square shaped microlens arrays. In this study performance of various types of nearly 100% fill-factor spherical MLAs in beam steering applications are compared. Design and fabrication of the MLAs are studied. A new hybrid method for design and fabrication of 100% fill-factor MLAs -by combining refractive-diffractive lenses, is suggested and tested.

Original languageEnglish
Title of host publicationMicro-Optics, VCSELs, and Photonic Interconnects II: Fabrication, Packaging, and Integration
Volume6185
DOIs
Publication statusPublished - 2006
EventOptical Sensing II - Strasbourg, France
Duration: 3 Apr 20066 Apr 2006

Conference

ConferenceOptical Sensing II
CountryFrance
CityStrasbourg
Period3/04/066/04/06

Keywords

  • Beam steering
  • Diffraction analysis
  • Imaging
  • Microlens array fabrication
  • Microlens arrays

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    Akatay, A., Waddie, A., Suyal, H., Taghizadeh, M., & Urey, H. (2006). Comparative performance analysis of 100% fill-factor microlens arrays fabricated by various methods. In Micro-Optics, VCSELs, and Photonic Interconnects II: Fabrication, Packaging, and Integration (Vol. 6185) https://doi.org/10.1117/12.664051