Recent advances on high‐speed and holographic two‐photon direct laser writing

A Balena, M Bianco, F Pisanello… - Advanced Functional …, 2023 - Wiley Online Library
Abstract Two‐Photon Lithography, thanks to its very high sub‐diffraction resolution, has
become the lithographic technique par excellence in applications requiring small feature …

Polymerization mechanisms initiated by spatio-temporally confined light

E Skliutas, M Lebedevaite, E Kabouraki… - …, 2021 - degruyter.com
Ultrafast laser 3D lithography based on non-linear light–matter interactions, widely known as
multi-photon lithography (MPL), offers unrivaled precision rapid prototyping and flexible …

Mechanisms of three-dimensional structuring of photo-polymers by tightly focussed femtosecond laser pulses

M Malinauskas, A Žukauskas, G Bičkauskaitė… - Optics …, 2010 - opg.optica.org
Three-dimensional (3D) micro/nano-structuring of photo-resists is systematically studied at
the close-to-dielectric-breakdown irradiance. It is demonstrated that avalanche absorption is …

Additive manufacturing of high-refractive-index, nanoarchitected titanium dioxide for 3D dielectric photonic crystals

A Vyatskikh, RC Ng, B Edwards, RM Briggs… - Nano Letters, 2020 - ACS Publications
Additive manufacturing at small scales enables advances in micro-and
nanoelectromechanical systems, micro-optics, and medical devices. Materials that lend …

Polymerization kinetics in three-dimensional direct laser writing.

JB Mueller, J Fischer, F Mayer, M Kadic… - … (Deerfield Beach, Fla.), 2014 - europepmc.org
By in-situ measuring the scattered light during microstructure formation, the polymerization
kinetics of three-dimensional direct laser writing are investigated in detail. Oxygen …

In-situ local temperature measurement during three-dimensional direct laser writing

JB Mueller, J Fischer, YJ Mange, T Nann… - Applied Physics …, 2013 - pubs.aip.org
We present an approach to measure in situ the local temperature increase in the exposed
volume during three-dimensional direct laser writing. The method is based on the detection …

[HTML][HTML] Stress-strain response of polymers made through two-photon lithography: Micro-scale experiments and neural network modeling

M Diamantopoulou, N Karathanasopoulos… - Additive Manufacturing, 2021 - Elsevier
Photopolymerization is the governing chemical mechanism in two-photon lithography, a
multi-step additive manufacturing process. Negative-tone photoresist materials are widely …

Modeling of two-photon polymerization in the strong-pulse regime

M Sun, H Cheng, P Golvari, SM Kuebler, X Yu… - Additive …, 2022 - Elsevier
This paper reports a study of two-photon polymerization induced by femtosecond laser
pulses having microjoule pulse energy and kilohertz repetition rates. Light-matter interaction …

Challenges and limits of mechanical stability in 3D direct laser writing

E Sedghamiz, M Liu, W Wenzel - Nature Communications, 2022 - nature.com
Direct laser writing is an effective technique for fabrication of complex 3D polymer networks
using ultrashort laser pulses. Practically, it remains a challenge to design and fabricate high …

Virtual volumetric additive manufacturing (virtualvam)

TH Weisgraber, MP de Beer, S Huang… - Advanced Materials …, 2023 - Wiley Online Library
Tomographic volumetric additive manufacturing (VAM) produces arbitrary 3D geometries by
exposure of a rotating volume of photopolymer resin to tomographically‐patterned …