Femtosecond Laser-Written Waveguides in a Bismuth Germanate Single Crystal

被引：2

作者：

Qian Bin ^{[2
,3
]}

Liao Yang ^{[2
]}

Dong Guo-Ping ^{[2
]}

Luo Fang-Fang ^{[2
]}

Su Liang-Bi ^{[3
,4
]}

Sun Sheng-Zhi ^{[5
]}

Qiu Jian-Rong ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

[4] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China

[5] E China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2009年 / 26卷 / 07期

基金：

中国国家自然科学基金;

关键词：

BGO;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate the fabrication of symmetric waveguides in a bismuth germanate (BGO) single crystal using a double line approach by an 800nm femtosecond laser. The optical attenuation of the single mode waveguide is measured to be 4.2 dB/cm at 633 nm. The influence of pulse energy and focal depth on the end facet of the irradiated region is also studied. This technique is promising to fabricate buried BGO waveguide arrays used in positron emission tomography systems.

引用

页数：3

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