公开(公告)号：US20210215515A1

公开(公告)日：2021-07-15

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

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.