Ultra-short-pulse lasers have proved to be effective tools for micromachining a wide range of materials. When the ultra-short laser pulse is focused inside the bulk of a transparent …
L Jiang, HL Tsai - Journal of Applied Physics, 2008 - pubs.aip.org
It remains a big challenge to theoretically predict the material removal mechanism in femtosecond laser ablation. To bypass this unresolved problem, many calculations of …
D Day, M Gu - Optics express, 2005 - opg.optica.org
Microchannels are fabricated in a poly (methyl methacrylate) substrate by high repetition rate, nanojoule femtosecond laser pulses. The mechanism for channel fabrication is based …
We present multiple methods of high aspect ratio hole drilling in fused silica glass, taking advantage of high power and high repetition rate picosecond lasers and flexible beam …
RS Taylor, C Hnatovsky, E Simova, DM Rayner… - Optics letters, 2003 - opg.optica.org
A femtosecond laser beam focused inside fused silica and other glasses can modify the refractive index of the glass. Chemical etching and atomic-force microscope studies show …
L Jiang, HL Tsai - Journal of Applied Physics, 2006 - pubs.aip.org
In ultrashort pulse (< 10 ps) laser ablation of dielectrics, affected materials are first transformed into absorbing plasma with metallic properties and, then, the subsequent laser …
Using the plasma model recent developed by the authors, this study predicts the existence of a constant ablation-depth zone with respect to fluence in femtosecond laser ablation of …
L Jiang, HL Tsai - 2006 - asmedigitalcollection.asme.org
This study analyzes single burst ablation of dielectrics by a femtosecond pulse train that consists of one or multiple pulses. It is found that (1) there exist constant-ablation-depth …