Author:
Htein Lin,Cui Jingxian,Gunawardena Dinusha Serandi,Cheng Xin,Tam Hwa-Yaw
Abstract
An 8-shaped birefringent optical fiber fabricated by mechanical milling is proposed for low pressure sensing based on the Sagnac interferometric technique. The sensor provides a sensitivity of 441 pm/kPa with an accuracy up to 2 Pa.