Nonlinear optical properties of Cu nanocluster composite fabricated by 180 keV ion implantation

作者：Wang, Y. H.

来源：Physica B: Condensed Matter , 2009, 404(21): 4295-4298.

DOI：10.1016/j.physb.2009.08.016

• Ion implantation
• Cu nanoclusters
• Optical nonlinearity
• Z-scan

Metal nanocluster composite glass prepared by 180 keV Cu ions into silica with dose of 5 x 10(16) ions/cm(2) has been studied. The microstructural properties of the nanoclusters has been verified by optical absorption spectra and transmission electron microscopy (TEM). Third-order nonlinear optical properties of the nanoclusters were measured at 1064 and 532 nm excitations using Z-scan technique. The nonlinear refraction index, nonlinear absorption coefficient, and the real and imaginary parts of the third-order nonlinear susceptibility were deduced. Results of the investigation of nonlinear refraction by the off-axis Z-scan configuration were presented and the mechanisms responsible for the nonlinear response were discussed. Third-order nonlinear susceptibility (chi)((3)) of this kind of sample was determined to be 8.7 x 10(-8) esu at 532 nm and 6.0 x 10(-8) esu at 1064 nm, respectively.

• 出版日期2009-11-15
• 单位武汉科技大学; 华中科技大学