Multi-functional optical fiber sensor system based on a dense wavelength division multiplexer

Yin Yue-Xin¹, Wu Zhifa¹, Sun Siwen¹, Tian Liang¹, Wang Xibin¹, Wu Yuanda², Zhang Daming^{1, †}

(a) The measured spectrum of the temperature sensor. (b) The relationship between the temperature and the interference dips.