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CdTe量子点掺杂玻璃的制备及其非线性光学性能

Preparation and Nonlinear Optical Properties of CdTe Quantum Dot Doped Glass

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摘要

采用高温热熔融法制备了CdTe量子点掺杂的硅酸盐玻璃, 测试了其拉曼、吸收和发射光谱, 验证了量子点掺杂玻璃的量子尺寸效应。在飞秒激光(800 nm和960 nm)激发下, CdTe量子点掺杂玻璃产生了上转换荧光, 证明了其为双光子吸收诱导发光, 发现双光子荧光对激发波长有一定的范围要求, 测得CdTe量子点掺杂玻璃的非线性吸收系数可达3.62×10-11 m/W。

Abstract

The silicate glass doped with CdTe quantum dots is prepared by the high temperature melt-quenching technique and the Raman, absorption and emission spectra are tested. The quantum size effect of quantum dot doped glass is verified. The up-conversion fluorescence of the CdTe quantum dot doped glass is excited by 800 nm and 960 nm femtosecond lasers, which is confirmed to be two-photon absorption induced luminescence and the two-photon fluorescence possesses a requirement for a certain range of wavelengths. The nonlinear absorption coefficient of the CdTe quantum dot doped glass is obtained up to 3.62×10-11 m·W-1.

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中图分类号:TN204

DOI:10.3788/cjl201845.1003003

所属栏目:材料与薄膜

基金项目:国家重点研发计划项目(2016YFB1102402), 自然科学基金项目(11374316、61675214)

收稿日期:2018-04-11

修改稿日期:2018-05-09

网络出版日期:2018-05-15

作者单位    点击查看

王何宁:中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800中国科学院大学, 北京 100049
钱静:中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800
蒋小波:中国科学院上海光学精密机械研究所强激光材料重点实验室, 上海 201800中国科学院大学, 北京 100049
娄孔昱:中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800上海大学物理学院, 上海 200444
丁腾:中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800中国科学院大学, 北京 100049
王关德:中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800
沈丹阳:中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800中国科学院大学, 北京 100049
赵全忠:中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800

联系人作者:赵全忠(zqz@siom.ac.cn); 王何宁(wanghening@siom.ac.cn);

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引用该论文

Wang Hening,Qian Jing,Jiang Xiaobo,Lou Kongyu,Ding Teng,Wang Guande,Shen Danyang,Zhao Quanzhong. Preparation and Nonlinear Optical Properties of CdTe Quantum Dot Doped Glass[J]. Chinese Journal of Lasers, 2018, 45(10): 1003003

王何宁,钱静,蒋小波,娄孔昱,丁腾,王关德,沈丹阳,赵全忠. CdTe量子点掺杂玻璃的制备及其非线性光学性能[J]. 中国激光, 2018, 45(10): 1003003

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