Refractivity of P2O5-Al2O3-SiO2 Glass in Optical Fibers-Reference-Cited by-同舟云学术

Refractivity of P2O5-Al2O3-SiO2 Glass in Optical Fibers

Published:2023-12-15 Issue:12 Volume:10 Page:1383
ISSN:2304-6732
Container-title:Photonics
language:en
Short-container-title:Photonics

Author:

Likhachev Mikhail E.¹,Zaushitsyna Tatiana S.¹,Agakhanova Vitaliya A.¹,Iskhakova Liudmila D.¹,Aleshkina Svetlana S.¹^ORCID,Bubnov Mikhail M.¹,Lobanov Alexey S.²^ORCID,Lipatov Denis S.²

Affiliation:

1. Prokhorov General Physics Institute of the Russian Academy of Sciences, Dianov Fiber Optics Research Center of the Russian Academy of Sciences, 119991 Moscow, Russia

2. G.G. Devyatykh Institute of Chemistry of High-Purity Substances, Russian Academy of Sciences, 49 Tropinin St., 603951 Nizhny Novgorod, Russia

Abstract

A significant change in the refractive index profiles for the large mode area phosphoroaluminosilicate (PAS) core optical fibers was observed in comparison to that in preforms. This study shows that the refractive index of the PAS core can vary from negative (in preform) to positive (in fiber), and the difference in the refractive index between the core and preform can exceed a few thousand. By measuring a large set of fibers with different concentrations of P2O5 and Al2O3, we define the refractivity of each dopant (P2O5, Al2O3 and AlPO4 joint) after drawing fiber from the preform and discuss the possible origin of the observed refractive index variation.

Funder

the Ministry of Science and Higher Education of the Russian Federation

Publisher

MDPI AG

Subject

Radiology, Nuclear Medicine and imaging,Instrumentation,Atomic and Molecular Physics, and Optics

Link

https://www.mdpi.com/2304-6732/10/12/1383/pdf

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