[CFA17G] Interferometric Sensing

[CFA17G-05] Elongated fiber abrupt-tapered interferometers for High sensitivity strain sensors

Haimiao Zhou¹, Ya-Pei Peng^2,3, Lina Suo¹, Cheng-Kai Yao⁴, Xinhe Lu³, *Nan-Kuang Chen¹ (1. Liaocheng Univ. (China), 2. Shenzhen Tech. Univ. (China), 3. NK Photonics Ltd. (China), 4. National Taipei Univ. of Tech. (Taiwan))

[Presentation Style] Online

We demonstrate high sensitivity fiber strain sensors based on an elongated abrupt taper. The measured best strain sensitivity was 118.77 pm/με and the coefficient of determination R² of linear fitting exhibits high linearity.