Design and fabrication of an aspheric geometric-phase lens doublet

Kathryn J. Hornburg; Xiao Xiang; Jihwan Kim; Michael W. Kudenov; Michael J. Escuti

doi:10.1117/12.2322327

14 September 2018 Design and fabrication of an aspheric geometric-phase lens doublet

Kathryn J. Hornburg, Xiao Xiang, Jihwan Kim, Michael W. Kudenov, Michael J. Escuti

Proceedings Volume 10735, Liquid Crystals XXII; 1073513 (2018) https://doi.org/10.1117/12.2322327
Event: SPIE Organic Photonics + Electronics, 2018, San Diego, California, United States

Abstract

A prior simulation-only study of aspherical phase profiles [Hornburg et al, Proc SPIE 10743, 10743-4 (2018)] in geometric-phase lenses (GPLs) indicated that aspherical doublet lens systems should provide substantially improved off-axis performance than those using spherical phase profiles. In this work, we fabricate a liquid crystal GPL doublet (24.5 mm diameter, 40 mm back focal length at 633 nm) and compare it to with a reference spherical GPL singlet. We characterized the liquid crystal alignment quality, efficiencies, and spot performance. With these compact GP lens systems, we realize improved performance for wider fields of view, while maintaining low loss.

Conference Presentation

Citation Download Citation

Kathryn J. Hornburg, Xiao Xiang, Jihwan Kim, Michael W. Kudenov, and Michael J. Escuti "Design and fabrication of an aspheric geometric-phase lens doublet", Proc. SPIE 10735, Liquid Crystals XXII, 1073513 (14 September 2018); https://doi.org/10.1117/12.2322327

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