Advanced laser-materials-processing techniques for nanofabrication of functional materials

SeungYeon Kang

doi:10.1117/12.2582452

5 March 2021 Advanced laser-materials-processing techniques for nanofabrication of functional materials

SeungYeon Kang

Proceedings Volume 11677, Laser 3D Manufacturing VIII; 116770V (2021) https://doi.org/10.1117/12.2582452
Event: SPIE LASE, 2021, Online Only

Abstract

Direct laser writing with ultrafast lasers surpasses limitations of conventional fabrication techniques that have low resolution, require multiple post-processing steps or are restricted to fabrication in 2D. The first part of the talk discusses fabrication of 3D metal-dielectric nanocomposite structures of tunable dimensions ranging from hundreds of nanometers to micrometers. By directly reducing metal ions with femtosecond pulses, direct laser written high-quality single-crystals, polymer-matrix embedded diffraction gratings are fabricated. The next part discusses methods of direct laser writing graphene structures. Graphene patterns written with ultrafast lasers show higher conductivity, indicating that limited thermal processes can help achieve better quality direct-laser-written graphene patterns.

Conference Presentation

Citation Download Citation

SeungYeon Kang "Advanced laser-materials-processing techniques for nanofabrication of functional materials", Proc. SPIE 11677, Laser 3D Manufacturing VIII, 116770V (5 March 2021); https://doi.org/10.1117/12.2582452

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