Femtosecond laser inscribed bridging cladding waveguides combining single- and multi-core optical fibres for shape sensing
Date Issued
November 6, 2019
DOI
10.1117/12.2547755
Abstract
We show that femtosecond laser inscribed “bridging waveguides” can couple the displaced cores of different types of optical fibres. We explore coupling between single- and four-core fibre, incorporating multiple Bragg gratings. The sensor is calibrated for bend and shape sensing.