Temperature influence on optical fiber and temperature compensation method for a frequency modulation continuous wave absolute distance measurement system

被引：0
|
作者：
Hu, Shengpan [1 ]
Xu, Xinke [1 ]
He, Wen [2 ]
机构：
[1] China Jiliang Univ, Coll Metrol & Measurement Engn, Xueyuan St 258, Hangzhou 310018, Zhejiang, Peoples R China
[2] Zhejiang Univ, Zhejiang Prov Key Lab Adv Mfg Technol, Hangzhou 310027, Peoples R China
来源：
APPLIED OPTICS | 2023年 / 62卷 / 18期
关键词：
LOW-COST;
D O I：
10.1364/AO.489356
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A temperature compensation method is proposed to solve the ranging precision decrease problem of the frequencymodulated continuous wave distance measurement system. The set of phases spread frequency sampling method is used to correct the beat frequency signal non-linearity. The influence model of temperature on the optical fiber auxiliary interferometer is studied. The experimental results show that distance measurement error decreases from 0.3432 mm to 0.02260 mm, and the mean measurement standard deviation decreases from 0.1088 mm to 0.01733 mm on a maximum measurement range of 1.6 m after compensation. & COPY; 2023 Optica Publishing Group
引用
收藏
页码：4928 / 4934
页数：7
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