The influence of codopants and fabrication conditions on germaniumdefects in optical fiber preforms |
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| Authors: | Atkins G.R. Poole S.B. Sceats M.G. Simmons H.W. Nockolds C.E. |
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| Affiliation: | Sydney Univ., NSW; |
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| Abstract: | The GeE' defect concentration in MCVD germanosilicate preforms, as measured by cathodoluminescence profiles, is dramatically reduced by the addition of phosphorus as a codopant. The GeE' concentration is increased by using higher deposition temperatures and oxygen deficient conditions |
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