Title :
Effect of superimposed multiple shots of femtosecond laser pulses on periodic surface nanoablation
Author :
Miyaji, G. ; Miyazaki, Koji
Author_Institution :
Inst. of Adv. Energy, Kyoto Univ., Uji, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
Pump-probe reflectivity measurements have shown that the multiple shots of low-fluence femtosecond laser pulses on silicon accumulate non-thermal bonding structure change to decrease ablation threshold and subsequently excite surface plasmon polaritons for periodic nanoscale ablation.
Keywords :
nanophotonics; nanostructured materials; optical pumping; polaritons; reflectivity; surface plasmons; ablation threshold; femtosecond laser pulses; nonthermal bonding structure; periodic surface nanoablation; pump-probe reflectivity measurements; superimposed multiple shots; surface plasmon polaritons; Free electron lasers; Laser ablation; Laser excitation; Measurement by laser beam; Pump lasers; Reflectivity; Silicon;
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference on
Conference_Location :
Kyoto
DOI :
10.1109/CLEOPR.2013.6600554