All-fiber-optic temperature sensor based on reduced graphene oxide

被引：54

作者：

Zhang, Jun ^{[1
,2
]}

Liao, Guozhen ^{[2
]}

Jin, Shaoshen ^{[2
]}

Cao, Dong ^{[2
]}

Wei, Qingsong ^{[2
]}

Lu, Huihui ^{[1
,2
]}

Yu, Jianhui ^{[1
,2
]}

Cai, Xiang ^{[3
]}

Tan, Shaozao ^{[3
]}

Xiao, Yi ^{[1
,2
]}

Tang, Jieyuan ^{[1
,2
]}

Luo, Yunhan ^{[1
,2
]}

Chen, Zhe ^{[1
,2
]}

机构：

[1] Jinan Univ, Key Lab Optoelect Informat & Sensing Technol, Guangdong Higher Educ Inst, Guangzhou 510632, Guangdong, Peoples R China

[2] Jinan Univ, Dept Optoelect Engn, Guangzhou 510632, Guangdong, Peoples R China

[3] Jinan Univ, Dept Chem, Guangzhou 510632, Guangdong, Peoples R China

来源：

LASER PHYSICS LETTERS | 2014年 / 11卷 / 03期

关键词：

side-polished fiber; temperature sensor; fiber-optic sensing; reduced graphene oxide;

D O I：

10.1088/1612-2011/11/3/035901

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a novel all-fiber-optic temperature sensor based on a reduced graphene oxide (rGO) film coated onto a side-polished fiber (SPF). Significantly enhanced interaction between the propagating light and the rGO film can be obtained via strong evanescent field of the SPF. The strong light-graphene interaction results in temperature sensing with a maximum optical power variation of 11.3 dB in the SPF experimentally. The novel temperature fiber sensor has a linear correlation coefficient of 99.4%, a sensitivity of 0.134 dB degrees C-1, a precision of better than 0.03 degrees C, and a response speed of better than 0.0228 degrees C s(-1). Such an rGO-based all-fiber-optic temperature sensor is easy to fabricate, is compatible with fiber-optic systems, and possesses high potentiality in photonics applications such as all-fiber-optic temperature sensing networks.

引用

页数：6

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