$Nondestructive measurement of refractive index profile for holey fiber preforms$

Nondestructive measurement of refractive index profile for holey fiber preforms

A non-destructive technique is presented to determine the refractive index profile of holey fiber preforms. The holes are filled with index matching oil and the holey preform deflection data is measured. An improved optical path-length formula and back projection method is used to reconstruct the tw...

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Veröffentlicht in:	Optics express 2003-10, Vol.11 (20), p.2474-2479
Hauptverfasser:	Zhao, Yucheng, Lyytikainen, Katja, van Eijkelenborg, Martijn, Fleming, Simon
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A non-destructive technique is presented to determine the refractive index profile of holey fiber preforms. The holes are filled with index matching oil and the holey preform deflection data is measured. An improved optical path-length formula and back projection method is used to reconstruct the two-dimensional filled holey fiber preform refractive index distribution.
ISSN:	1094-4087 1094-4087
DOI:	10.1364/OE.11.002474