物理学报Issue(7)：434-441,8.DOI:10.7498/aps.62.078101
Te/TeO2-SiO2复合薄膜的吸收和非线性光学特性研究
Absorption and nonlinear optical properties of Te/TeO2-SiO2 composite films∗
摘要
Abstract
The transmission and absorption spectra of the Te/TeO2-SiO2 thin film were obtained by using a spectrophotometer, with the surface plasmon rensoance (SPR) observed at 480 nm. While the dependence of the third-order nonlinear susceptibility of composite films on the Te particle was investigated by Z-scan technique with renosant wavelength (532 nm) and non-renosant wavelength (1064 nm). Optical properties of these films was analyzed using the effective medium theory, and the relationship was investigated to obtain Te particle size and nonlinear optical properties of Te/TeO2-SiO2 films. The results show that the Te particle size was smaller, the number of particles was increased, and the particle distribution tends to be uniform. The surface plasmon resonance peak was red-shifted, and the absorption intensity was enhanced;and the third-order nonlinear optical effects was enhanced,χ(3) was increased by 5.12×10−7 esu at 1064 nm to 8.11×10−7 esu at 532 nm with preparation potential increased.关键词
碲/二氧化碲/复合薄膜/三阶非线性Key words
tellurium/teO2/composite films/nonlinear optics引用本文复制引用
甘平,辜敏,卿胜兰,鲜晓东..Te/TeO2-SiO2复合薄膜的吸收和非线性光学特性研究[J].物理学报,2013,(7):434-441,8.基金项目
国家高技术研究发展计划、中国工程物理研究院科学技术发展基金(批准号:2012B0402067)资助的课题 （批准号:2012B0402067）
