Femtosecond laser microfabrication

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In this report, we utilized the special characteristics of femtosecond laser processing for microfabrication. Special emphasis was placed on the laser-material interactions to gain a science-based understanding of the process and to determine the process parameter space for laser processing of metals and glasses. Two areas were

Femtosecond laser microfabrication18 by two-photon polymerization (TPP)19–22 is a promising method to reach this end due to its distinct advantages such as the programmable designability, 3D processing capability, high spatial resolution, and the diversity of usable materials. TPP has been used to fabricate high numerical We examined the physical chemistry underlying a wet chemical etching-assisted femtosecond laser microfabrication technique. Close scrutiny of etching reagents and the etching process has led to further refinement of the method for practical use such as microchips for chemical total analysis systems (μ-TAS). Figure 1-3 Schematic illustration of a femtosecond laser microfabrication system .....5 Figure 1-4 Schematic illustration of 3D microfabrication with TPP technique .....6 Figure 2-1 Lines exposed by femtosecond lasers of different focusing conditions: (a) an Agenda app for windows

Mar 04, 2019 · In this work, we develop a PMMA continuous size-based inertial microfluidic sorter by femtosecond laser microfabrication (FLM). The device design includes contracting and expanding channels (microchambers) provided with siphoning outlets on the backside of the chip.

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Femtosecond laser controlled wettability of solid surfaces Jiale Yong, Feng Chen,* Qing Yang* and Xun Hou Femtosecond laser microfabrication is emerging as a hot tool for controlling the wettability of solid surfaces. This paper introduces four typical aspects of femtosecond laser induced special wettability: Rental assistance chandler azFemtosecond Laser Microfabrication of Photonic Crystals Vygantas Mizeikis Research Institute for Electronic Science, Hokkaido University, North 21 – West 10, CRIS Bldg., Sapporo 001‐0021, Japan Hybrid subtractive-additive-welding microfabrication for lab-on-chip applications via single amplified femtosecond laser source Linas Jonu auskas, a,b, * Sima Rek tyt ,a Ri ardas Buividas, c Simas Butkus, a Roaldas Gadonas, a,b Saulius Juodkazis, c,d, * We examined the physical chemistry underlying a wet chemical etching-assisted femtosecond laser microfabrication technique. Close scrutiny of etching reagents and the etching process has led to further refinement of the method for practical use such as microchips for chemical total analysis systems (μ-TAS).

Hybrid subtractive-additive-welding microfabrication for lab-on-chip applications via single amplified femtosecond laser source Linas Jonu auskas, a,b, * Sima Rek tyt ,a Ri ardas Buividas, c Simas Butkus, a Roaldas Gadonas, a,b Saulius Juodkazis, c,d, *

Femtosecond lasers have been proven to be a powerful tool for advanced materials processing on both the micro- and nanoscale. Compared with traditional laser processing techniques that use longer pulse or continuous wave lasers, femtosecond laser micromachining offers several key advantages due to its unique characteristics of ultrashort pulse width and extremely high peak intensity. O superman laurie anderson

Microfabrication with femtosecond laser processing : (A) laser ablation of ferrous alloys, (B) direct-write embedded optical waveguides and integrated optics in bulk glasses.. United States. doi:10.2172/920737.

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Ultrashort pulse duration (sub-nanosecond) lasers are increasingly being employed in laser microfabrication applications. USP (Ultra Short Pulse) Picosecond and Femtosecond Laser Systems In this context, USP lasers are defined as having a pulse length less than 1 ns including picosecond (10^-12 s) and femtosecond (10^-15 s) lasers.