Tunable sensitivity microfiber Sagnac loop based on a virtual reference arm for microdisplacement detection

• Published in: Optical fiber technology Vol. 79; p. 103344
• Main Authors: Yang, Peng, Jiang, Shaocui, Wang, Zenghui, Bao, Wangge, Wei, Wenxi, Zhang, Yujuan, Zheng, Jia, Peng, Baojin
• Format: Journal Article
• Language: English
• Published: Elsevier Inc 01.09.2023
• Subjects: Microdisplacement; Microfiber; Simulated reference arm; Vernier effect; Vernier effect; Simulated reference arm; Microfiber; Microdisplacement

•High sensitivity interferometric microdisplacement optical fiber sensor.•High extinction ratio microfiber Sagnac loop.•Online Vernier with tunable sensitivity.•Virtual reference arms are used to reduce costs and volume.•The virtual reference arm has high stability and is not subject to external int...