Dispersion of the nonlinear refractive index in sapphire.
Dispersion of the nonlinear refractive index in sapphire.
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DOI：
10.1364/ol.29.000602
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发表时间：
2004-03
期刊：
影响因子：
3.6
通讯作者：
A. Major;F. Yoshino;I. Nikolakakos;J. S. Aitchison;Peter W. E. Smith
中科院分区：
文献类型：
--
作者：
A. Major;F. Yoshino;I. Nikolakakos;J. S. Aitchison;Peter W. E. Smith
采用皮秒Z扫描技术，在550-1550 nm波长范围内测量了蓝宝石的非线性折射率n2。发现在该光谱区域中，n2的值从约3.3 × 10（-16）cm 2/W单调减小至约2.8 × 10（-16）cm 2/W。在270-1550 nm范围内的非线性折射率的波长依赖性的经验表达式。
The nonlinear refractive index, n2, of sapphire was experimentally measured in the 550-1550-nm wavelength range by use of a picosecond Z-scan technique. It was found that in this spectral region the value of n2 decreases monotonically from approximately 3.3 x 10(-16) to approximately 2.8 x 10(-16) cm2/W. An empirical expression for the wavelength dependence of the nonlinear refractive index in the 270-1550-nm range was obtained.