| 无透镜Z—扫描测量系统及其在高阶非线性研究中的应用 |
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| 引用本文： | 倪永锋,泷口义浩,等.无透镜Z—扫描测量系统及其在高阶非线性研究中的应用[J].光电子．激光,2001,12(12):1253-1257. |
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| 作者姓名： | 倪永锋 泷口义浩 |
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| 作者单位： | 1. 浙江大学现代光学仪器国家重点实验室,杭州,310027
2. 日本滨松光子学株式会社中央研究所,434-8601 |
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| 基金项目： | This work is supported by State Key Laboratory of Modern Optical Instrumentation，Zhejiang University，，LMOI-9901，， |
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| 摘 要： | 本文在理论上计算了超短激光脉冲经过光不部件的展宽效应并实际给出了一种基于镀铝反射镜的小色散Z－扫描测量系统，同时也对实验中的其他重要参数进行了讨论。对该系统在材料高阶非线性光学特性测量中的应用进行了研究，实验显示测量曲线与理论拟合曲线吻合较好，所求得非线性参数值与报道值也较吻合。最后给出了对一种个有较大三阶非线性光学特性的新型发光材料的测试结果。
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| 关 键 词： | Z－扫描 飞秒激光 小色散 高阶非线性 测量系统 |
Analysis of a Lens-free Z-scan System used in Study of High-Order Nonlinearities |
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| Abstract.Analysis of a Lens-free Z-scan System used in Study of High-Order Nonlinearities[J].Journal of Optoelectronics·laser,2001,12(12):1253-1257. |
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| Authors: | Abstract |
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| Abstract: | The broadening effect of ultrashort laser pulse due to optical components is theoretically calculated and a Z-scan system with small internal dispersion based on Al-coated mirrors is reported.Some key parameters in this system are also discussed.The experiments on measuring high-order optical nonlinearities of materials are presented,the results give good Z-scan curve,and are in good agreement with reported value.Finally,a new luminous material of large third-order nonlinearity is studied with this improved system. |
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| Keywords: | Z scan femtosecond laser small dispersion high order nonlinearity |
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