IEEE Photonics Technology Letters最新文献

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Angle Multiplexed Brewster Controlled Multiband Absorber for Optical Sensing 用于光学传感的角度复用布鲁斯特控制多波段吸收器
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-02 DOI: 10.1109/LPT.2026.3669218
Parvendra Kumar;Gaurav Varshney;Pushpa Giri;Shivendra Kumar Jaiswal
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引用次数: 0
Direct Detection Φ-OTDR System Based on the Different Pulse Width Method 基于不同脉宽法的直接检测Φ-OTDR系统
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-02 DOI: 10.1109/LPT.2026.3669735
Yuhuai Huang;Xiaopeng Dong;Peichao Chen
{"title":"Direct Detection Φ-OTDR System Based on the Different Pulse Width Method","authors":"Yuhuai Huang;Xiaopeng Dong;Peichao Chen","doi":"10.1109/LPT.2026.3669735","DOIUrl":"https://doi.org/10.1109/LPT.2026.3669735","url":null,"abstract":"Conventional vibration demodulation typically utilizes nearby sample points in conjunction with pulses having relatively wide width for demodulation, which has drawbacks, including inconsistent spatial positions corresponding to adjacent sampling points and limited spatial resolution. This research proposes a novel quantitative vibration demodulation technique based on direct detection <inline-formula> <tex-math>$Phi $ </tex-math></inline-formula>-OTDR to address this issue. At a set repetition frequency, this technique alternately emits optical pulses with comparable but different pulse lengths. To precisely demodulate the vibration phase, it obtains two optical intensity signals at the same fiber position, which have different initial phases but virtually similar vibration-induced phase shifts. Compared with the conventional demodulation method, the proposed technique achieves a signal-to-noise ratio (SNR) improvement of 9.4 dB. By not relying on the data acquisition card’s (DAQ) sampling rate, this technique reduces the acquisition system’s cost and performance requirements while avoiding the spatial resolution deterioration associated with conventional demodulation using nearby sampling points.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"771-774"},"PeriodicalIF":2.5,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147440680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Open Access Publishing IEEE开放获取出版
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-06-10 DOI: 10.1109/LPT.2026.3664768
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引用次数: 0
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters for Authors
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-06-10 DOI: 10.1109/LPT.2026.3698286
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引用次数: 0
TechRxiv: Share Your Preprint Research with the World! techxiv:与世界分享你的预印本研究!
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-06-10 DOI: 10.1109/LPT.2026.3664770
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引用次数: 0
Blank Page 空白页
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-04-17 DOI: 10.1109/LPT.2026.3681014
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引用次数: 0
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters for Authors
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-04-17 DOI: 10.1109/LPT.2026.3681012
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引用次数: 0
IEEE Photonics Technology Letters publication information IEEE Photonics Technology Letters出版信息
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-04-17 DOI: 10.1109/LPT.2026.3681008
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引用次数: 0
IEEE Photonics Technology Letters publication information IEEE Photonics Technology Letters出版信息
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-06-10 DOI: 10.1109/LPT.2026.3698262
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引用次数: 0
=Introducing IEEE Collabratec =介绍IEEE collabatec
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-06-10 DOI: 10.1109/LPT.2026.3664772
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引用次数: 0
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