6533b830fe1ef96bd1297c06

RESEARCH PRODUCT

Influence of fluorine on the fiber resistance studied through the nonbridging oxygen hole center related luminescence

Antonino AlessiAdriana MoranaLavinia VaccaroMarco CannasYoucef OuerdaneAziz BoukenterSylvain GirardRoberto Boscaino

subject

PhotoluminescenceMaterials scienceOptical fiberGeneral Physics and Astronomychemistry.chemical_elementPhotochemistrylaw.inventionlawSIO2 GLASSESFiberSpectroscopyOPTICAL-FIBERSSettore FIS/01 - Fisica SperimentaleDopingDEFECTSVITREOUS SILICACrystallographic defectDOPED-SILICAIRRADIATIONchemistryFluorineRADIATIONLASERPREFORMSAtomic physicsLuminescenceGENERATION

description

The distribution of Non-Bridging Oxygen Hole Centers (NBOHCs) in fluorine doped optical fibers was investigated by confocal microluminescence spectroscopy, monitoring their characteristic 1.9 eV luminescence band. The results show that these defects are generated by the fiber drawing and their concentration further increases after c irradiation. The NBOHC concentration profile along the fiber provides evidence for an exponential decay with the fluorine content. This finding agrees with the role of fluorine in the fiber resistance and is discussed, from the microscopic point of view, by looking at the conversion mechanisms from strained bonds acting as precursors.

yearjournalcountryeditionlanguage
2013-05-21Journal of Applied Physics
https://doi.org/10.1063/1.4807163