Title :
Phase-sensitive imaging techniques applied to optical fibre characterisation
Author :
Dragomir, Nicoleta M. ; Baxter, Greg W. ; Roberts, A.
Author_Institution :
Sch. of Phys., Univ. of Melbourne, Vic.
Abstract :
Phase-sensitive imaging measurements of optical fibres using quantitative phase microscopy (QPM) are described. In the case of axially symmetric fibres, these measurements can be used to non-destructively determine the refractive-index profiles of single- and multi-mode optical fibres. QPM presents a sensitive, robust, rapid and high spatial resolution technique for reconstructing the refractive-index profile of various fibres and fusion splices. In addition, when used with polarised light, the method is applicable to the investigation of stresses, residual or applied, in single- and multi-mode optical fibres
Keywords :
image reconstruction; image resolution; internal stresses; optical fibre fabrication; optical fibre polarisation; optical fibre testing; optical microscopy; refractive index; splicing; applied stress; axially symmetric fibres; fusion splices; multimode optical fibres; nondestructive measurements; optical fibre characterisation; phase-sensitive imaging; phase-sensitive measurements; polarised light; quantitative phase microscopy; refractive index profile reconstruction; refractive index profiles; residual stress; single-mode optical fibres; spatial resolution;
Journal_Title :
Optoelectronics, IEE Proceedings
