Simultaneous Measurement of the Core Diameter and the Numerical Aperture in Dual-Mode Step-Index Optical Fibers

被引：5
|
作者：
Baker, Chams [1 ]
Ahmad, Raja [1 ]
Rochette, Martin [1 ]
机构：
[1] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 2A7, Canada
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2011年 / 29卷 / 24期
关键词：
LOW-COHERENCE INTERFEROMETRY; FAR-FIELD RADIATION; REFRACTIVE-INDEX; AREA FIBERS; PROFILE; DISPERSION; PATTERN; NM;
D O I：
10.1109/JLT.2011.2171670
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a simple and precise method for the simultaneous measurement of the core diameter and the numerical aperture of step-index fibers. In contrast with conventional near-field and far-field methods proposed in the literature, this method is based on the measurement of the difference between the propagation constants of the modes LP(01) and LP(11) near the cutoff wavelength. We experimentally validate and highlight the high level of precision of this method with the characterization of commercial fiber samples.
引用
收藏
页码：3834 / 3837
页数：4
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