公开(公告)号：US11662229B2

公开(公告)日：2023-05-30

申请号：US17055037

申请日：2019-05-16

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Il-Bum Kwon ,  Dae-Cheol Seo ,  Chi-Yeop Kim ,  Bo-Hun Choi

IPC: G01D5/353 ,  G01K11/322 ,  G01L1/24

CPC classification number: G01D5/35364 ,  G01K11/322 ,  G01L1/242

Abstract: The present invention relates to an optical fiber BOCDA sensor. A purpose of the present invention is to provide an optical fiber BOCDA sensor which uses two phase codes to control a correlation peak position, thereby further simplifying control design and device configuration and improving spatial resolution to enhance a sensing performance and detection accuracy in comparison with the prior art.