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Proceedings Paper

Populating multi-fiber fiberoptic connectors using an interferometric measurement of fiber tip position and facet quality
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Paper Abstract

One of the most important challenges in multiple-fiber connectors is to achieve accurate fiber positioning, i.e. to ensure that the fiber end facets coincide with the front facet of the connector plate. Therefore, it is crucial to increase the accuracy of the assembly process of fiber connectors. We present the population of a plastic multi-fiber connector designed for optical interconnect applications with silica fiber, with a good uniformity of fiber protrusion across the array of ±2.5-μm. To this end, an interferometric setup for in situ monitoring of fiber tip positions during the insertion phase was developed. It ensures an accurate fiber tip position at the fiber connector's front facet and across the fiber array in cases where post-insertion polishing is not possible. Furhermore, our setup can provide us with insight into the influence of the curing process (e.g. shrinkage) on the tip position during the fiber fixation step and allows us to assess the fiber facet quality. We compare the fiber tip position measured in situ using our setup with the position measured off-line using a commercial white light interferometer, showing a deviation smaller than 5%.

Paper Details

Date Published: 13 May 2010
PDF: 7 pages
Proc. SPIE 7716, Micro-Optics 2010, 77161I (13 May 2010); doi: 10.1117/12.853644
Show Author Affiliations
Jurgen Van Erps, Vrije Univ. Brussel (Belgium)
Anna Pakula, Warsaw Univ. of Technology (Poland)
Slawomir Tomczewski, Warsaw Univ. of Technology (Poland)
Michael Vervaeke, Vrije Univ. Brussel (Belgium)
Leszek Salbut, Warsaw Univ. of Technology (Poland)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)

Published in SPIE Proceedings Vol. 7716:
Micro-Optics 2010
Hugo Thienpont; Peter Van Daele; Jürgen Mohr; Hans Zappe, Editor(s)

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