Systolic Nanofabrication of Photonic Bioarchitectures

Papachristopoulou, Konstantina; Vainos, Nikolaos

doi:10.1364/iprsn.2021.jth3a.4

OSA Advanced Photonics Congress 2021 2021

DOI: 10.1364/iprsn.2021.jth3a.4

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Systolic Nanofabrication of Photonic Bioarchitectures

Konstantina Papachristopoulou

Nikolaos Vainos

Abstract: Aerogel/xerogel casts of natural specimens conformally downsized render novel devices for sensor and other applications. Fusion of porous skeletons preserves the stereometric forms yielding 3-dimensional functional micro/nanophotonic solid replicas.

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2024

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Bioarchitectonic Nanophotonics by Replication and Systolic Miniaturization of Natural Forms

Papachristopoulou,

Vainos

2024

Biomimetics

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The mimesis of biological mechanisms by artificial devices constitutes the modern, rapidly expanding, multidisciplinary biomimetics sector. In the broader bioinspiration perspective, however, bioarchitectures may perform independent functions without necessarily mimicking their biological generators. In this paper, we explore such Bioarchitectonic notions and demonstrate three-dimensional photonics by the exact replication of insect organs using ultra-porous silica aerogels. The subsequent conformal systolic transformation yields their miniaturized affine ‘clones’ having higher mass density and refractive index. Focusing on the paradigms of ommatidia, the compound eye of the hornet Vespa crabro flavofasciata and the microtrichia of the scarab Protaetia cuprea phoebe, we fabricate their aerogel replicas and derivative clones and investigate their photonic functionalities. Ultralight aerogel microlens arrays are proven to be functional photonic devices having a focal length f ~ 1000 μm and f-number f/30 in the visible spectrum. Stepwise systolic transformation yields denser and affine functional elements, ultimately fused silica clones, exhibiting strong focusing properties due to their very short focal length of f ~ 35 μm and f/3.5. The fabricated transparent aerogel and xerogel replicas of microtrichia demonstrate a remarkable optical waveguiding performance, delivering light to their sub-100 nm nanotips. Dense fused silica conical clones deliver light through sub-50 nm nanotips, enabling nanoscale light–matter interactions. Super-resolution bioarchitectonics offers new and alternative tools and promises novel developments and applications in nanophotonics and other nanotechnology sectors.

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Bioarchitectonic Nanophotonics by Replication and Systolic Miniaturization of Natural Forms

Papachristopoulou,

Vainos

2024

Biomimetics

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show abstract

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Systolic Nanofabrication of Photonic Bioarchitectures

Abstract: Aerogel/xerogel casts of natural specimens conformally downsized render novel devices for sensor and other applications. Fusion of porous skeletons preserves the stereometric forms yielding 3-dimensional functional micro/nanophotonic solid replicas.

Cited by 1 publication

References 7 publications

Bioarchitectonic Nanophotonics by Replication and Systolic Miniaturization of Natural Forms

Bioarchitectonic Nanophotonics by Replication and Systolic Miniaturization of Natural Forms

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