[IEEE 2018 Asia Communications and Photonics Conference (ACP) - Hangzhou, China (2018.10.26-2018.10.29)] 2018 Asia Communications and Photonics Conference (ACP) - Design of Helical Tube Fiber Optic Fabry-Perot Cavity Pressure Sensor

摘要： An optical fiber helical tube pressure sensor based on Fabry-Perot cavity which is fabricated by CO2 laser thermal bonding technique is developed. The measuring range is 0~72MPa, the repeatability is 0.02% F·S and the hysteresis is 0.02% F·S.