Dual-Comb Ranging

Absolute distance measurement is a fundamental technique in mobile and large-scale dimensional metrology. Dual-comb ranging is emerging as a powerful tool that exploits phase resolution and frequency accuracy for high-precision and fast-rate distance measurement. Using two coherent frequency combs,...

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Main Authors: Zebin Zhu, Guanhao Wu
Format: Article
Language:English
Published: Elsevier 2018-12-01
Series:Engineering
Online Access:http://www.sciencedirect.com/science/article/pii/S2095809918303783
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author Zebin Zhu
Guanhao Wu
author_facet Zebin Zhu
Guanhao Wu
author_sort Zebin Zhu
collection DOAJ
description Absolute distance measurement is a fundamental technique in mobile and large-scale dimensional metrology. Dual-comb ranging is emerging as a powerful tool that exploits phase resolution and frequency accuracy for high-precision and fast-rate distance measurement. Using two coherent frequency combs, dual-comb ranging allows time and phase response to be measured rapidly. It breaks through the limitations related to the responsive bandwidth, ambiguity range, and dynamic measurement characteristics of conventional ranging tools. This review introduces dual-comb ranging and summarizes the key techniques for realizing this ranging tool. As optical frequency comb technology progresses, dual-comb ranging shows promise for various professional applications. Keywords: Ranging, Dual-comb interferometer, Phase noise, Timing jitter, Tight-locking, Post-correction
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spelling doaj.art-d1192e47e439490fa2e2b9f5aa0a5f0d2022-12-22T02:06:31ZengElsevierEngineering2095-80992018-12-0146772778Dual-Comb RangingZebin Zhu0Guanhao Wu1State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, ChinaState Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China; Division of Advanced Manufacturing, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China; Corresponding author.Absolute distance measurement is a fundamental technique in mobile and large-scale dimensional metrology. Dual-comb ranging is emerging as a powerful tool that exploits phase resolution and frequency accuracy for high-precision and fast-rate distance measurement. Using two coherent frequency combs, dual-comb ranging allows time and phase response to be measured rapidly. It breaks through the limitations related to the responsive bandwidth, ambiguity range, and dynamic measurement characteristics of conventional ranging tools. This review introduces dual-comb ranging and summarizes the key techniques for realizing this ranging tool. As optical frequency comb technology progresses, dual-comb ranging shows promise for various professional applications. Keywords: Ranging, Dual-comb interferometer, Phase noise, Timing jitter, Tight-locking, Post-correctionhttp://www.sciencedirect.com/science/article/pii/S2095809918303783
spellingShingle Zebin Zhu
Guanhao Wu
Dual-Comb Ranging
Engineering
title Dual-Comb Ranging
title_full Dual-Comb Ranging
title_fullStr Dual-Comb Ranging
title_full_unstemmed Dual-Comb Ranging
title_short Dual-Comb Ranging
title_sort dual comb ranging
url http://www.sciencedirect.com/science/article/pii/S2095809918303783
work_keys_str_mv AT zebinzhu dualcombranging
AT guanhaowu dualcombranging