Recent advances in Brillouin optical correlation-domain reflectometry

Yosuke Mizuno, Heeyoung Lee, Kentaro Nakamura

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Distributed fiber-optic sensing based on Brillouin scattering has been extensively studied and many configurations have been developed so far. In this paper, we review the recent advances in Brillouin optical correlation-domain reflectometry (BOCDR), which is known as a unique technique with intrinsic single-end accessibility, high spatial resolution, and cost efficiency. We briefly discuss the advantages and disadvantages of BOCDR over other Brillouin-based distributed sensing techniques, and present the fundamental principle and properties of BOCDR with some special schemes for enhancing the performance. We also describe the recent development of a high-speed configuration of BOCDR (slope-assisted BOCDR), which offers a beyond-nominal-resolution detectability. The paper is summarized with some future prospects.

Original languageEnglish
Article number1845
JournalApplied Sciences (Switzerland)
Issue number10
Publication statusPublished - 2018 Oct 8
Externally publishedYes


  • Brillouin scattering
  • Distributed sensing
  • Nonlinear optics
  • Optical correlation-domain reflectometry
  • Optical fiber sensing
  • Strain sensing
  • Structural healthmonitoring
  • Temperature sensing

ASJC Scopus subject areas

  • General Materials Science
  • Instrumentation
  • General Engineering
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes


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