... modifications of laser-ablated Si and Ge were analyzed by performing scanning electron microscope (SEM) analysis. It has been revealed that laser irradiance plays a significant role in the growth of the micro- and nanostructures on the laser-irradiated target surfaces. The surface morphology of laser-ablated Si...

... ionization ( T ) − Z ionization ( T 0 = 300   K ) at the metal surface by roughly a factor of 2.5 in the case of laser ablation of aluminum according to Ref. [ 21 ]. Unlike metals, which have abundant electrons in the conduction band at room temperature, dielectrics...

...Suman Bhandari; Nicolas Martinez-Prieto; Jian Cao; Kornel Ehmann The increase in the usage of titanium alloys for micro-engineering applications has driven the demand for improved micromanufacturing processes. Laser-based microfabrication processes such as direct laser ablation (DLA), laser-induced...

...Sandeep Ravi-Kumar; Xiao Zhang; Benjamin Lies; Liangkui Jiang; Hantang Qin Microdrilling based on laser ablation has been widely applied for manufacturing micro-/nanofeatures on different materials as a noncontact thermal removal approach. It has the advantages of high aspect ratio manufacturing...

... , “ A Review of Ultrashort Pulsed Laser Ablation of Materials ,” J. Laser Appl. , 10 ( 1 ), pp. 18–28. 10.2351/1.521827 [18] Gamaly , E. G. , Rode , A. V. , Luther-Davies , B. , and Tikhonchuk , V. T. , 2002 , “ Ablation of Solids by Femtosecond Lasers: Ablation Mechanism and Ablation...

.... The external diameter is equal to 2.4 mm and internal diameter to 2 mm, while the arc radius for BP microserration is equal to 400 μ m. Following the laser ablation process, the geometry of each BP cutting edge was verified by using a 3D profilometer (Fig. 4 ). The minimal arc radius for the BP...

... by the Manufacturing Engineering Division of ASME for publication in the J OURNAL OF M ICRO- AND N ANO -M ANUFACTURING . Manuscript received December 14, 2016; final manuscript received May 25, 2017; published online June 13, 2017. Assoc. Editor: Sangkee Min. 14 12 2016 25 05 2017 Laser ablation...

... . Manuscript received January 16, 2017; final manuscript received May 17, 2017; published online June 9, 2017. Assoc. Editor: Nicholas Fang. 16 01 2017 17 05 2017 Laser ablation Laser micro machining Laser processes Modeling Numerical simulations A lab-on-a-chip system...

... with nanometer resolution. The nanomanufacturing system developed in this study may be an enabling technology to strongly impact other fields such as semiconductors, organic solar cells, and nano-electromechanical systems (NEMS). Laser ablation Metallic materials Nanomanufacturing Nanostructure...

... zone (HAZ) and low roughness in a wide range of materials including those that are difficult to machine by some of the most successful micromachining processes such as micro-electrodischarge machining (EDM) and laser ablation. Edm Laser ablation Laser micro machining Micro machining Plasma...

.... 24 10 2014 28 05 2015 24 06 2015 In this work, both qualitative and quantitative analytical approaches were used to optimize the spiral contouring technique for complete continuous micromachining of targets. During laser ablation, spiral contours on the target were created...

..., it is noted that the bubble diameter is more sensitive to the laser fluence than the glycerol concentration. Laser ablation Modeling The demand of three-dimensional (3D) fabrication has prompted the development of advanced technologies capable of selecting and further depositing disparate...

..., and the potential processing speed is increased. Laser induced periodic surface structures are also presented after the scribing process, which can potentially enhance the absorption of the cell surface and consequently increase the cell efficiency. Laser ablation Laser micro machining Nanostructure...

... without leakage. Laser ablation Microstructure Polymers Process control Current patients receiving hemodialysis treatment at central facilities have decreased quality of life and higher mortality rates compared to those who receive nocturnal hemodialysis in the home [ 1 ]. The improved...

... the machining zone, which adhere to the workpiece and cause unwanted refraction of beam and therefore affect the process accuracy and resolution. Moreover, for achieving a given depth and aspect ratio, it might be possible to machine using laser ablation for higher average powers. This study has demonstrated...