Marked extension of diagnosis length in optical time domain reflectometry using ·32 µm YAG laser

M. Nakazawa, M. Tokuda, K. Washio, Y. Morishige

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

An optical time domain reflectometer was newly constructed by using a high power Nd: YAG laser operating at a wavelength of 1·32 µm and a TeO2 acousto-optical light deflector. As a result, the maximum detectable fault location length of 34 km for single-mode fibre and that of 60 km for multimode graded-index fibre were successfully attained.

Original languageEnglish
Pages (from-to)783-785
Number of pages3
JournalElectronics Letters
Volume17
Issue number21
DOIs
Publication statusPublished - 1981 Oct 15
Externally publishedYes

Keywords

  • Acousto-optics
  • Fibre optics
  • Lasers
  • Optics

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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