Fiber laser twist sensor with hybrid few-mode tilted Bragg grating and few-mode long period grating
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摘要
A twist sensor with hybrid few-mode tilted fiber Bragg grating(FM-TFBG) and few-mode long period grating(FM-LPG) in fiber laser cavity is demonstrated. The FM-LPG is utilized to excite LP11 core mode. The FM-TFBG is used for sensing. The transverse modes at 1 553.9 nm and 1 550.5 nm are LP01 and LP21 core modes, respectively, which are coupled from forward-propagating LP11 core mode. These two excitation wavelengths have opposite variation tendencies, which participate in sensing. The twist sensitivity of 0.16 dB/° from-40° to 40° is achieved. The proposed sensor has potentially used for structure monitoring in many areas.
A twist sensor with hybrid few-mode tilted fiber Bragg grating(FM-TFBG) and few-mode long period grating(FM-LPG) in fiber laser cavity is demonstrated. The FM-LPG is utilized to excite LP11 core mode. The FM-TFBG is used for sensing. The transverse modes at 1 553.9 nm and 1 550.5 nm are LP01 and LP21 core modes, respectively, which are coupled from forward-propagating LP11 core mode. These two excitation wavelengths have opposite variation tendencies, which participate in sensing. The twist sensitivity of 0.16 dB/° from-40° to 40° is achieved. The proposed sensor has potentially used for structure monitoring in many areas.
A twist sensor with hybrid few-mode tilted fiber Bragg grating(FM-TFBG) and few-mode long period grating(FM-LPG) in fiber laser cavity is demonstrated. The FM-LPG is utilized to excite LP11 core mode. The FM-TFBG is used for sensing. The transverse modes at 1 553.9 nm and 1 550.5 nm are LP01 and LP21 core modes, respectively, which are coupled from forward-propagating LP11 core mode. These two excitation wavelengths have opposite variation tendencies, which participate in sensing. The twist sensitivity of 0.16 dB/° from-40° to 40° is achieved. The proposed sensor has potentially used for structure monitoring in many areas.
引文
[1]Li Ruiya,Chen Yiyang,Tan Yuegang,Zhou Zude,Li Tianliang and Mao Jian,Sensors(Basel)18,1607(2018).
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[18]Albert Jacques,Shao Liyang and Caucheteur Christophe,Laser Photonics Rev.7,1(2012).
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[2]Bao Weijia,Rong Qiangzhou,Chen Fengyi and Qiao Xueguang,Opt.Express 26,8619(2018).
[3]Hu Wanjun,Huang Yunyun,Chen Chaoyan,Liu Yuke,Guo Tuan and Guan Bai-Ou,Sensors and Actuators B:Chemical 264,440(2018).
[4]Pham Xuantung,Si Jinhai,Chen Tao,Wang Ruize,Yan Lihe,Cao Houjun and Hou Xun,Journal of Applied Physics 123,174501(2018).
[5]Zhang Xuanyu,Chen Chao,Yu Yongsen,Wei Weihua,Guo Qi,Chen Yongyi,Zhang Xing,Qin Li,Ning Yongqiang and Sun Hongbo,IEEE Photonics Journal10,7100308(2018).
[6]Guo Tuan,Journal of Lightwave Technology 35,3323(2017).
[7]Xiaoyong Chen Fa Du and Tuan Guo,Journal of Lightwave Technology 35,3347(2017).
[8]Laxmeshwar Lata S,Jadhav Mangesh S,Akki Jyoti F,Raikar Prasad and Raikar U.S,Optics&Laser Technology 105,45(2018).
[9]Guo Tuan,Liu Fu and Guan Baiou,Opt Express 22,7330(2014).
[10]S?awomir Ci?szczyk,Damian Harasim and Piotr Kisa?a,Sensors and Actuators A:Physical 272,18(2018).
[11]Zhang Xuejun,Wu Ze,Liu Fu,Fu Qiangqiang,Chen Xiaoyong,Xu Jian,Zhang Zhaochuan,Huang Yunyun,Tang Yong,Guo Tuan and Albert Jacques,Biomed Opt Express 9,1735(2018).
[12]Liu Zexu,Shen Changyu,Xiao Yike,Gong Jiaqi,Wang Jianfeng,Lang Tingting,Zhao Chunliu,Huang Changqing,Jin Yongxing,Dong Xinyong,Zhang Yang,Jing Zhenguo,Peng Wei and Semenova Yuliya,Journal of the Optical Society of America B 35,1282(2018).
[13]Guo Tuan,Tam Hwa-Yaw,Krug Peter A.and Albert Jacques,Opt.Express 17,5736(2009).
[14]Shao Liyang and Albert Jacques,Opt.Lett.35,1034(2010).
[15]Shao Li-Yang,Laronche Albane,Smietana Mateusz,Mikulic Predrag,Bock Wojtek J.and Albert Jacques,Optics Communications 283,2690(2010).
[16]Arregui Francisco Javier,Xiao Hai,Zhang Xuping,Dong Liquan,Li Yu,Gong Xiaojing,Guo Xiaohua,Li Zhihui,Yuan Huiying,Wang Jigang and Zeng Jie,SPIE10618,106180B-1(2018).
[17]Chen Ruishan,Wang Jinghao,Zhang Xiaoqiang,Wang Anting,Ming Hai,Li Fang,Chung Dick and Zhan Qiwen,Opt.Lett.43,755(2018).
[18]Albert Jacques,Shao Liyang and Caucheteur Christophe,Laser Photonics Rev.7,1(2012).
[19]Han Ya,Liu Yan-Ge,Wang Zhi,Huang Wei,Chen Lei,Zhang Hong-Wei and Yang Kang,Nanophotonics 7,287(2018).
[20]Ulrich R.and Simon A.,Applied Optics 18,2241,(1979).