Multi-channel FBG frequency division multiplexing sensing system based on EOIM and OFDL

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2024-11-18 DOI:10.1016/j.optcom.2024.131320

Ruofan Wang , Xuezhi Zhang , Shengliang Zhang , Wenxin Bo , Jiapeng Sun , Kun Liu , Tiegen Liu , Junfeng Jiang

{"title":"Multi-channel FBG frequency division multiplexing sensing system based on EOIM and OFDL","authors":"Ruofan Wang , Xuezhi Zhang , Shengliang Zhang , Wenxin Bo , Jiapeng Sun , Kun Liu , Tiegen Liu , Junfeng Jiang","doi":"10.1016/j.optcom.2024.131320","DOIUrl":null,"url":null,"abstract":"<div><div>This paper introduces a multi-channel fiber Bragg grating (FBG) frequency division multiplexing sensing scheme based on Electro-optic intensity modulator (EOIM) and optical fiber delay line (OFDL), which integrates time-division multiplexing (TDM), spatial division multiplexing (SDM), and frequency division multiplexing (FDM) technologies to create a hybrid multiplexing solution. The scheme employs EOIM to construct optical carriers and utilizes OFDL delay processing for frequency allocation, enabling synchronous monitoring of multiple ultrasonic vibration signals. In the dual-channel experiment, the signal-to-noise ratio (SNR) of the demodulated signals typically exceeds 40 dB, with an optimal SNR reaching 61.8 dB. Additionally, crosstalk suppression between the two signals generally exceeds 30 dB, achieving a maximum of 58.7 dB in ideal conditions. These results, based on the two key indicators of SNR and crosstalk suppression, demonstrate the feasibility and outstanding performance of the proposed multiplexing scheme.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"576 ","pages":"Article 131320"},"PeriodicalIF":2.2000,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics Communications","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0030401824010575","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}

引用次数: 0

Abstract

This paper introduces a multi-channel fiber Bragg grating (FBG) frequency division multiplexing sensing scheme based on Electro-optic intensity modulator (EOIM) and optical fiber delay line (OFDL), which integrates time-division multiplexing (TDM), spatial division multiplexing (SDM), and frequency division multiplexing (FDM) technologies to create a hybrid multiplexing solution. The scheme employs EOIM to construct optical carriers and utilizes OFDL delay processing for frequency allocation, enabling synchronous monitoring of multiple ultrasonic vibration signals. In the dual-channel experiment, the signal-to-noise ratio (SNR) of the demodulated signals typically exceeds 40 dB, with an optimal SNR reaching 61.8 dB. Additionally, crosstalk suppression between the two signals generally exceeds 30 dB, achieving a maximum of 58.7 dB in ideal conditions. These results, based on the two key indicators of SNR and crosstalk suppression, demonstrate the feasibility and outstanding performance of the proposed multiplexing scheme.

查看原文本刊更多论文

求助全文

约1分钟内获得全文求助全文

来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.