Remote PCF-based sensors multiplexing by using optical add-drop multiplexers
in: Optics & Laser Technology (2014)
A 100 km remote PCF micro-displacement sensor multiplexing system based on optical add-drop multiplexers (OADM) has been experimentally demonstrated. The PCF sensors are placed in an OADM bus structure which is illuminated by a home-made tunable fiber optic ring laser. Four micro-displacement Photonic Crystal Fiber (PCF) sensors based on a suspended core fiber inserted into a Sagnac loop filter are multiplexed. Furthermore, these sensors can be referenced with an extra wavelength being the first proposal to solve this issue in PCF sensor multiplexing structures.