Product Code: ICAL08_N104

Generation of Nano-Bumps on Transparent Quartz Glass Surface Under Femtosecond Laser Irradiation
Authors:
Wei Guo, The University of Manchester; Manchester Great Britain
Zeng Bo Wang, The University of Manchester; Manchester Great Britain
Boris Luk\'Yanchuk, Data Storage Institute; Singapore Singapore
David J. Whitehead, University of Manchester; Manchester Great Britain
Lin Li, University of Manchester; Manchester Great Britain
Zhu Liu, University of Manchester; Manchester Great Britain
Presented at ICALEO 2008

Parallel surface patterning using micro particles is an attractive technique developed in recent years for large-area surface nanofabrication. It utilizes self-assembled particles lens-arrays, which convert the laser beam into a multiplicity of enhanced optical spots in parallel at focus. The focus of the particle was generally confined to a small region at the bottom of particle, which requires monolayer state of the particle array for efficient focusing. In this paper, we present a mean to tune the focusing properties of particle-lens array by changing the surrounding medium. It has been demonstrated to produce nano-bumps on transparent materials like quartz substrate.

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