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Conferences > OFT > 2008 > OWC > OWC4
  • Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper OWC4
  • •https://doi.org/10.1364/OFT.2008.OWC4

Low-cost Fresnel Lens Array with Engineered Point Spread Function for Passive Infrared Motion Sensors

Giuseppe A. Cirino, Allan Bereczki, Robson Barcellos, Spero P. Morato, and Luiz G. Neto

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Abstract

Cubic-phase distributions are employed as spatial filters in low-cost Fresnel lenses for passive infrared motion sensors. The mould for the fabrication of the lenses in polyethylene was manufactured by laser ablation on hard steel.

© 2008 Optical Society of America

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