130-km-Long fault location for single-mode optical fiber using 1.55-µ q-switched er3+: Glass laser

Masataka Nakazawa, Masamitsu Tokuda, K. Washio, Y. Asahar

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

An optical-time-domain reflectometer has been constructed with a 1.55-µm Er3+:glass laser, a TeO2 acousto-optical directional coupler, and a cooled Ge P-I-N photodiode. With it, a maximum detectable fault-location length of 130 km for single-mode optical fiber has been successfully achieved at a 1.55-µ wavelength.

Original languageEnglish
Pages (from-to)312-314
Number of pages3
JournalOptics Letters
Volume9
Issue number7
DOIs
Publication statusPublished - 1984 Jul

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