Cascaded-Cavity Fabry-Perot Interferometric Gas Pressure Sensor based on Vernier Effect

• Published in: Sensors (Basel, Switzerland) Vol. 18; no. 11; p. 3677
• Main Authors: Chen, Peng, Dai, Yutang, Zhang, Dongsheng, Wen, Xiaoyan, Yang, Minghong
• Format: Journal Article
• Language: English
• Published: Switzerland MDPI 29.10.2018; MDPI AG
• Subjects: extrinsic Fabry-Perot interferometer; femtosecond laser; gas pressure; Vernier effect; Vernier effect; extrinsic Fabry-Perot interferometer; femtosecond laser; gas pressure

An extrinsic Fabry-Perot interferometer (EFPI) composed of double fiber FP cavities in a glass capillary tube to generate Vernier effect has been fabricated and employed for gas pressure sensing. A lead-in single-mode fiber (LSMF) and a reflective single-mode fiber (RSMF) were inserted into the capi...