Title :
Pulsewidth dependent nonlinear absorption In Au Films
Author :
Rotenberg, Nir ; Bristow, A.D. ; Pfeifler, Markus ; Betz, Markus ; van Driel, H.M.
Author_Institution :
Department of Physics & lnstinru for Optical Sciences, Univewiry of Toronto, 60 St. George Street, Ontario, 5S IA7, Canada
Abstract :
Zscans of 20 nm Au films at 630 nm show strong fluence and pulse-width dependence of nonlinear absorption that is characteristic of electron heating; ßeff increases > 100 × as pulse width increases hom 0.1 ¿ 6 ps.
Keywords :
Absorption; Electron optics; Gold; Nonlinear optics; Optical films; Optical pulses; Pulse amplifiers; Pulse measurements; Space vector pulse width modulation; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431547
