Third-order nonlinear optical properties of thin sputtered gold films

被引:55
|
作者
Xenogiannopoulou, E.
Aloukos, P.
Couris, S. [1 ]
Kaminska, E.
Piotrowska, A.
Dynowska, E.
机构
[1] Univ Patras, Dept Phys, Patras 26500, Greece
[2] Fdn Res & Technol Hellas, FORTH, Inst Chem Engn & High Temp Chem Proc, ICEHT, Patras 26504, Greece
[3] Inst Electr Mat Technol, Warsaw, Poland
[4] Polish Acad Sci, Inst Phys, Warsaw, Poland
关键词
Au films; third-order susceptibility; nonlinear optical properties; optical Kerr effect; Z-scan;
D O I
10.1016/j.optcom.2007.02.059
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Au films of thickness ranging between 5 and 52 nm were prepared by sputtering on quartz substrates and their third-order nonlinear optical response was investigated by Optical Kerr effect (OKE) and Z-scan techniques using 532 nm, 35 ps laser pulses. All prepared films were characterized by XRD, AFM and UV-VIS-NIR spectrophotometry while their third-order susceptibility chi((3)) was measured and found to be of the order of 10(-9) esu. The real and imaginary parts of the third-order susceptibility were found in very good agreement with experimental results and theoretical predictions reported by Smith et al. [D.D. Smith, Y. Yoon, R.W. Boyd, Y.K. Cambell, L.A. Baker, R.M. Crooks, M. George, J. Appl. Phys. 86 (1999) 6200]. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:217 / 222
页数:6
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