Study on the characteristics of gradient torsion fiber
Citation
熊汉洲 (Xiong Hanzhou). (2024 年 5 月). 渐变扭转光纤器件特性研究 (Study on the characteristics of gradient torsion fiber) [硕 士 学 位 论 文 (Master's thesis), 学科（专 业）：光电工程 (Optoelectronic Engineering), 指导教师：苑立波 教授 (Advisor: Yuan Libo, Professor)].
Keywords
- 渐变扭转光纤器件 / Gradient torsion fiber devices
- 螺旋长周期光纤光栅 / Helical Long-Period Fiber Grating, HLPG
- 函数型变周期 / Function-Type Variable Period
- 线性啁啾 / Linear Chirped
- 光纤无源器件 / Passive fiber optic device
- 圆偏振器 / Circular polarizer
- 平顶滤波器 / Flat-top filter
- OAM 涡旋光发生器 / OAM vortex light generator
- 扭转传感器 / Twist sensor
- 光纤传感 / Fiber Sensin
- 电极加工设备 / Electrode processing equipment
- 软硬件设计 / Software and hardware design
- 步进电机驱动器 / Stepper motor driver
- 速度控制曲线优化 / Speed control curve optimization
Brief
This master's thesis investigates the characteristics of gradient torsion fiber devices, specifically focusing on Helical Long-Period Fiber Gratings (HLPGs) with customizable twist periods, the redesign and fabrication of their processing equipment, and the study of their sensing applications for various physical parameters.
Summary
This master's thesis focuses on gradient torsion fiber devices, specifically Helical Long-Period Fiber Gratings (HLPGs) with customizable twist periods. The research involves the redesign and fabrication of equipment for producing these devices with improved efficiency and customizability. Furthermore, the thesis investigates the sensing capabilities of these HLPGs for parameters like temperature, strain, refractive index, bending, and twisting, demonstrating their potential in various sensing applications. The study also includes theoretical analysis using coupled mode theory and experimental validation of the device characteristics and sensing performance.
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