Fabrication and characterization of polymer optical waveguide Bragg grating for pulse signal sensing

被引：0

作者：

Li, Hongqiang ^{[1
]}

Meng, Wentao ^{[1
]}

Cao, Lu ^{[2
]}

Zhang, Lizhen ^{[1
]}

Liu, Yang ^{[3
]}

Lin, Zhilin ^{[1
]}

Zhao, Ruina ^{[1
]}

Song, Zhenya ^{[1
]}

Ren, Feng ^{[4
]}

Zhang, Shanshan ^{[1
,5
]}

Chen, Liying ^{[1
]}

Bai, Jinjun ^{[1
]}

Cao, Mengwei ^{[1
]}

Wang, Yingjie ^{[1
]}

Zhu, Zhiyue ^{[1
]}

Gao, Tianxue ^{[1
]}

Li, Enbang ^{[6
]}

Prades, Joan Daniel ^{[7
]}

机构：

[1] Tiangong Univ, Sch Elect & Informat Engn, Tianjin Key Lab Optoelect Detect Technol & Syst, Tianjin 300387, Peoples R China

[2] Tianjin Univ, Chest Hosp, Tianjin 300050, Peoples R China

[3] Tianjin Wavecreating Micro Intelligent Technol Co, Tianjin 300457, Peoples R China

[4] Wearable IC Intelligent Technol Tianjin Co Ltd, Tianjin 300012, Peoples R China

[5] Nankai Univ, Inst Modern Opt, Tianjin Key Lab Optoelect Sensor & Sensing Network, Tianjin 300071, Peoples R China

[6] Univ Wollongong, Ctr Med Radiat Phys, Wollongong, NSW 2522, Australia

[7] Univ Barcelona, Dept Elect & Biomed Engn, E-08028 Barcelona, Spain

来源：

OPTICS EXPRESS | 2023年 / 31卷 / 20期

基金：

中国国家自然科学基金;

关键词：

REFRACTIVE-INDEX; SENSOR; FIBER;

D O I：

10.1364/OE.496427

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Polymer materials have the advantages of a low Young's modulus and low-cost preparation process. In this paper, a polymer-based optical waveguide pressure sensor based on a Bragg structure is proposed. The change in the Bragg wavelength in the output spectrum of the waveguide Bragg grating (WBG) is used to linearly characterize the change in pressure acting on the device. The polymer-based WBG was developed through a polymer film preparation process, and the experimental results show that the output signal of the device has a sensitivity of 1.275 nm/kPa with a measurement range of 0-12 kPa and an accuracy of 1 kPa. The experimental results indicate that the device already perfectly responds to a pulse signal. It has significant potential application value in medical diagnostics and health testing, such as blood pressure monitoring, sleep quality monitoring, and tactile sensing.

引用

页码：32458 / 32467

页数：10

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