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Single-Layer Subwavelength Femtosecond-Laser-Induced Confined Nanocrystallization in Multistack Dielectrics by Ruben Ricca; Yves Bellouard is a Physics and Astronomy article available to read on EtoBox.

What is Single-Layer Subwavelength Femtosecond-Laser-Induced Confined Nanocrystallization in Multistack Dielectrics about?

We demonstrate extreme laser-induced modification confinement in a stack of dielectric layers, along the optical axis, without the use of tight focusing. Specifically, we show that an aperiodic distribution of layer thicknesses can effectively lead to the formation of subsurface laser-induced modifications, confined in a 100-nm single predefined layer only, without affecting the surrounding material. We argue that this confinement is correlated to a local electric field enhancement phenomenon occurring within a specific layer of the stack and we confirm this hypothesis with simulations. Concurrently, we demonstrate the presence of nanocrystallites in the laser-affected areas.

Who reads Single-Layer Subwavelength Femtosecond-Laser-Induced Confined Nanocrystallization in Multistack Dielectrics?

Author

Ruben Ricca; Yves Bellouard

Publisher

American Physical Society (APS)

Published

2023

Language

EN

Field

Physics and Astronomy (Physical Sciences)