Microfiber Bragg Grating for Temperature and Strain Sensing Applications

• 作者: Jie TIAN Peigang DENG Shuhui LIU Wenbing YU
• 来源期刊: 光子传感器:英文版
• 关键词: Fiber Bragg gratings fiber optics sensors femtosecond laser micromachining
• 年，卷（期）: 2017,（1）
• 页码范围: 44-47
• 页数: 4页
• 分类号: YTP
• 语种: 中文

摘要

Fiber Bragg grating is inscribed on microfiber with femtosecond laser pulses irradiation. The microfiber is fabricated by stretching a section of single mode fiber over a flame. Periodic grooves are carved on the microfiber by the laser as have been observed experimentally. The microfiber Bragg grating is demonstrated for temperature and strain sensing, and the strain sensitivity is improved with decreased diameters of the microfibers.