3D Manufacturing of Glass Microstructures Using Femtosecond Laser

The rapid expansion of femtosecond (fs) laser technology brought previously unavailable capabilities to laser material processing. One of the areas which benefited the most due to these advances was the 3D processing of transparent dielectrics, namely glasses and crystals. This review is dedicated t...

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Main Authors: Agnė Butkutė, Linas Jonušauskas
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/12/5/499
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author Agnė Butkutė
Linas Jonušauskas
author_facet Agnė Butkutė
Linas Jonušauskas
author_sort Agnė Butkutė
collection DOAJ
description The rapid expansion of femtosecond (fs) laser technology brought previously unavailable capabilities to laser material processing. One of the areas which benefited the most due to these advances was the 3D processing of transparent dielectrics, namely glasses and crystals. This review is dedicated to overviewing the significant advances in the field. First, the underlying physical mechanism of material interaction with ultrashort pulses is discussed, highlighting how it can be exploited for volumetric, high-precision 3D processing. Next, three distinct transparent material modification types are introduced, fundamental differences between them are explained, possible applications are highlighted. It is shown that, due to the flexibility of fs pulse fabrication, an array of structures can be produced, starting with nanophotonic elements like integrated waveguides and photonic crystals, ending with a cm-scale microfluidic system with micro-precision integrated elements. Possible limitations to each processing regime as well as how these could be overcome are discussed. Further directions for the field development are highlighted, taking into account how it could synergize with other fs-laser-based manufacturing techniques.
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spelling doaj.art-05488f0cc73643cba01b890ee45bee672023-11-21T17:37:01ZengMDPI AGMicromachines2072-666X2021-04-0112549910.3390/mi120504993D Manufacturing of Glass Microstructures Using Femtosecond LaserAgnė Butkutė0Linas Jonušauskas1Femtika Ltd., Saulėtekio Ave. 15, LT-10224 Vilnius, LithuaniaFemtika Ltd., Saulėtekio Ave. 15, LT-10224 Vilnius, LithuaniaThe rapid expansion of femtosecond (fs) laser technology brought previously unavailable capabilities to laser material processing. One of the areas which benefited the most due to these advances was the 3D processing of transparent dielectrics, namely glasses and crystals. This review is dedicated to overviewing the significant advances in the field. First, the underlying physical mechanism of material interaction with ultrashort pulses is discussed, highlighting how it can be exploited for volumetric, high-precision 3D processing. Next, three distinct transparent material modification types are introduced, fundamental differences between them are explained, possible applications are highlighted. It is shown that, due to the flexibility of fs pulse fabrication, an array of structures can be produced, starting with nanophotonic elements like integrated waveguides and photonic crystals, ending with a cm-scale microfluidic system with micro-precision integrated elements. Possible limitations to each processing regime as well as how these could be overcome are discussed. Further directions for the field development are highlighted, taking into account how it could synergize with other fs-laser-based manufacturing techniques.https://www.mdpi.com/2072-666X/12/5/499femtosecond laserglass micromachining3D structuring
spellingShingle Agnė Butkutė
Linas Jonušauskas
3D Manufacturing of Glass Microstructures Using Femtosecond Laser
Micromachines
femtosecond laser
glass micromachining
3D structuring
title 3D Manufacturing of Glass Microstructures Using Femtosecond Laser
title_full 3D Manufacturing of Glass Microstructures Using Femtosecond Laser
title_fullStr 3D Manufacturing of Glass Microstructures Using Femtosecond Laser
title_full_unstemmed 3D Manufacturing of Glass Microstructures Using Femtosecond Laser
title_short 3D Manufacturing of Glass Microstructures Using Femtosecond Laser
title_sort 3d manufacturing of glass microstructures using femtosecond laser
topic femtosecond laser
glass micromachining
3D structuring
url https://www.mdpi.com/2072-666X/12/5/499
work_keys_str_mv AT agnebutkute 3dmanufacturingofglassmicrostructuresusingfemtosecondlaser
AT linasjonusauskas 3dmanufacturingofglassmicrostructuresusingfemtosecondlaser