Abstract
This work presents method for precision microstructure defects “tapers” and “up-tapers” forming in conventional silica telecommunication multimode optical fibers by commercially available field fusion splicer with modified software sets. We developed technique for micro-defect geometry parameters estimation via analysis of photo-image performed after defect writing and displayed on fusion splicer monitor. Some research results of defect geometry dependence on fusion current and fusion time values re-set in splicer program are represented that provided ability to choose their “the best” combination. Also we produced experimental statistical researches of “taper” and “up-taper” diameter stability as well as their insertion loss values during their writing under fixed corrected splicer program parameters which results are presented in this paper.
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