摘要
本文首次报道了用飞秒脉冲光Ｚ扫描技术测量纳米银悬浮粒子的非线性折射率．从物理机制及理论上对Ｚ扫描进行了分析，并对纳米悬浮粒子的有效长度进行了估算．利用标准样品对系统进行了标定．最后得到了纳米银粒子的非线性折射率为６．７５×１０－１０ｅｓｕ．
The nonlinear refraction index of
silver nanoparticles was measured with Ti∶Sapphire femtosecond laser.The result showed
that the value of nonlinear refraction index is 6.75×10esu.The measurement system was
detected by standard sample CS 2 and the result is fairly consistent with the reported
values.Based on the foundation of self focus,it is also discussed its physical mechanism
theoretically.
出处
《光子学报》
EI
CAS
CSCD
1999年第5期401-405,共5页
Acta Photonica Sinica
