铜纳米线的制备及其光限幅特性研究  

Synthesis of Cu nanowires and investigation of their optical limiting properties

作　　者：韩亚萍[1] 叶红安[2] 吴文智[2] 时光[3] 曹岩[1] 

机构地区：[1]东北林业大学理学院,哈尔滨150040 [2]黑龙江大学电子工程学院,哈尔滨150080 [3]哈尔滨工业大学应用物理系,哈尔滨150001

出　　处：《黑龙江大学自然科学学报》2008年第3期363-365,共3页Journal of Natural Science of Heilongjiang University

基　　金：黑龙江省自然科学基金资助项目(F2006)

摘　　要：应用扫描电子显微镜(SEM)和X射线衍射仪(XRD)表征了固态离子学方法制备的金属铜纳米线。应用调Q倍频ns/psNd:YAG脉冲激光,在波长为532nm,脉冲宽度为8ns,重复频率1Hz的条件下,研究了金属铜纳米线悬浮于去离子水中的反饱和吸收和光限幅特性。实验表明,金属铜纳米线具有较好的光限幅性能。Cu nanowires were fabricated in a direct current electric field using a solid - state ionic method, and characterized by scanning electron microscopy （ SEM ） and X - ray diffraction （XRD）. The reverse saturable absorption and optical limiting properties in Cu nanowires, suspended in de - ionized water were investigated by using a frequency - doubled, Q - switched, mode - locked Continuum ns/ps Nd ： YAG laser, which produced 8 ns laser pulses at 532 nm with a repetition rate of 1 Hz. Experimental results indicate Cu nanowires have obvious optical limiting properties.

关 键 词：光学非线性 光限幅 非线性吸收 金属纳米线 

分 类 号：O437[机械工程—光学工程]