ZrO2 holographic metasurfaces for efficient optical trapping in the visible range

Mohammad Biabanifard, Tomasz T. Plaskocinski, Jianling Xiao, Andrea Di Falco*

*Corresponding author for this work

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Holographic Metasurfaces (HMs) in the visible range enable advanced imaging applications in compact, planarized systems. The ability to control and structure light with high accuracy and a high degree of freedom is particularly relevant in lab-on-chip biophotonic applications. Pushing the operation wavelength into the blue region and below is an open challenge. Here, it is demonstrated that Zirconium dioxide (ZrO2) metasurfaces (MSs) are particularly well-suited to satisfy these requirements. Specifically, MSs are designed for optical trapping applications with a high numerical aperture (NA = 1.2) at a wavelength as low as 488 nm, with trap stiffness >200 pN (µmW)−1.
Original languageEnglish
Article number2400248
Number of pages7
JournalAdvanced Optical Materials
VolumeEarly View
Early online date11 Feb 2024
Publication statusE-pub ahead of print - 11 Feb 2024


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