Grating-assisted generation of regular two-dimensional multicolored arrays in a tellurite glass

被引：1
|
作者：
Zhang, Hang [1 ]
Zhang, Fangteng [1 ]
Yu, Yongze [1 ]
Du, Xi [1 ]
Dong, Guoping [1 ]
Qiu, Jianrong [1 ,2 ]
机构：
[1] S China Univ Technol, Inst Optic Commun Mat, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China
[2] China Germany Res Ctr Photon Mat & Devices, Guangzhou 510640, Peoples R China
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 17期
基金：
中国博士后科学基金;
关键词：
FEMTOSECOND-LASER; LOW-THRESHOLD; PULSES; MEDIA; SPECTRA; PLATE;
D O I：
10.1364/OE.22.0A1278
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A grating structure was inscribed in a tellurite glass after irradiation with high-repetition rate femtosecond laser pulses. High diffraction efficiency was obtained due to the large refractive index change, which was caused by the precipitation of Te crystals in the laser modified region. Two-dimensional multicolored arrays were generated by cascaded four-wave mixing (CFWM) together with the prefabricated grating structure, which showed much more superior than those induced by beam breakup. (C) 2014 Optical Society of America
引用
收藏
页码：A1278 / A1283
页数：6
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