Wide field of view compact lens with variable focus based on Alvarez lens

Hugo Maurey; Patrice Twardowski; Robin Pierron; Philippe Gérard; Manuel Flury

doi:10.1117/12.3016940

18 June 2024 Wide field of view compact lens with variable focus based on Alvarez lens

Hugo Maurey, Patrice Twardowski, Robin Pierron, Philippe Gérard, Manuel Flury

Proceedings Volume 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII; 129980C (2024) https://doi.org/10.1117/12.3016940
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Compact wide-angle lenses with adjustable focus have a broad range of applications in emerging technologies. The standard approach to designing lenses with variable focal length is to move a group of lenses along the optical axis. These systems are often bulky due to the need for displacements of a few millimeters or centimeters. To create a compact wide angle lens with a variable focal length, we propose a system including Alvarez and aspherical lenses. The complete system is 18mm long, has a cutoff frequency over 223 lp/mm considering three wavelengths in the visible range: 486, 588, 656 nm, low vignetting, 87.5° FOV, object distance range from 25 cm to infinity.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hugo Maurey, Patrice Twardowski, Robin Pierron, Philippe Gérard, and Manuel Flury "Wide field of view compact lens with variable focus based on Alvarez lens", Proc. SPIE 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII, 129980C (18 June 2024); https://doi.org/10.1117/12.3016940

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