Optical Fiber Technology最新文献

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Pressure-typed flowmeter based on Ʊ-typed few-mode fiber with temperature self-correction
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-13 DOI: 10.1016/j.yofte.2024.104100
Shi-Jun Li , Ling-Xin Kong , Hao Sun , Hu Liang , Kui-Hua Ding , Zhou-Xiang Wang , Yuan Xu
{"title":"Pressure-typed flowmeter based on Ʊ-typed few-mode fiber with temperature self-correction","authors":"Shi-Jun Li ,&nbsp;Ling-Xin Kong ,&nbsp;Hao Sun ,&nbsp;Hu Liang ,&nbsp;Kui-Hua Ding ,&nbsp;Zhou-Xiang Wang ,&nbsp;Yuan Xu","doi":"10.1016/j.yofte.2024.104100","DOIUrl":"10.1016/j.yofte.2024.104100","url":null,"abstract":"<div><div>In this paper, an optical fiber sensor with flexible skin is introduced for measuring liquid velocity and temperature. The sensor is composed of polyurethane membrane and Ʊ-typed few-mode fiber (FMF). By converting the change in liquid velocity into the pressure change borne by the polyurethane diaphragm, the interference spectrum shifts due to micro deformation of the Ʊ-typed FMF. The research results indicate that the sensitivity of the liquid velocity sensor is 0.545 nm/(m/s). At the same time, we proposed a temperature self-decoupling scheme, and solved the cross-sensitivity problem by discussing the influence of temperature on the double interference dips. The temperature measurement compensation accuracy can reach<!--> <!-->0.348 nm/°C。Finally, we conducted experiments by placing the sensor in an actual pipeline, and the results showed that the sensor has excellent mechanical properties and thermal stability. This work is beneficial for exploring compact and high-sensitivity fiber optic flow velocity detection methods.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104100"},"PeriodicalIF":2.6,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143129546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced tunability of a multiwavelength Brillouin-Erbium laser using cascaded photonic crystal and large effective area fibers
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-12 DOI: 10.1016/j.yofte.2024.104093
A.M. Ramzia Salem , R. Ramli , M.T. Alresheedi , N.H. Zainol Abidin , E.K. Ng , M.A. Mahdi
{"title":"Enhanced tunability of a multiwavelength Brillouin-Erbium laser using cascaded photonic crystal and large effective area fibers","authors":"A.M. Ramzia Salem ,&nbsp;R. Ramli ,&nbsp;M.T. Alresheedi ,&nbsp;N.H. Zainol Abidin ,&nbsp;E.K. Ng ,&nbsp;M.A. Mahdi","doi":"10.1016/j.yofte.2024.104093","DOIUrl":"10.1016/j.yofte.2024.104093","url":null,"abstract":"<div><div>This work demonstrates a wideband multiwavelength laser using bismuth-based erbium-doped fiber with fiber coils of photonic crystal fiber (PCF) and a large effective area fiber (LEAF) in cascaded configuration. The generation of the multiwavelength laser was based on the stimulated Brillouin scattering effect. The tunability of the laser-based PCF that was initially limited due to four-wave mixing induced spectral broadening was enhanced by adding a coil of LEAF. A flawless tuning range in the L-band spanning 53 nm was achieved with a set of six laser lines. This multiwavelength laser could be tuned from 1567 to 1620 nm at 350 mW pump power and 5 mW Brillouin pump power. The generated output channels were very stable, showing a maximum peak power fluctuation of 0.75 dB over the duration of 60 min. This work showcases a technique to enhance the tuning range of Brillouin-based lasers for photonics applications in general.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104093"},"PeriodicalIF":2.6,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143129548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elimination of temperature cross-sensitivity in torsion and curvature measurements based on arc-induced long period fiber gratings
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-11 DOI: 10.1016/j.yofte.2024.104099
Xiao Han, Liang Shang, Sujuan Feng, Guangqiang Liu
{"title":"Elimination of temperature cross-sensitivity in torsion and curvature measurements based on arc-induced long period fiber gratings","authors":"Xiao Han,&nbsp;Liang Shang,&nbsp;Sujuan Feng,&nbsp;Guangqiang Liu","doi":"10.1016/j.yofte.2024.104099","DOIUrl":"10.1016/j.yofte.2024.104099","url":null,"abstract":"<div><div>We demonstrate a long period fiber grating (LPFG) with two prominent resonant dips for eliminating the temperature cross-sensitivity in torsion and curvature measurements. The versatile LPFG is fabricated on a conventional single mode fiber (SMF) using the arc discharge method. Due to the resonant coupling between the core mode and antisymmetric cladding modes, the transmission spectrum shows the polarization dependence, which is proved to be useful in improving the sensing performances. The different torsion sensitivities and similar temperature sensitivities for the resonant wavelengths of both dips indicate that the LPFG has the ability of temperature-independent torsion sensing. By optimizing the state of polarization (SOP), a torsion sensitivity of 0.104 nm/(rad/m) can be achieved with the discrimination of twist direction. Notably, the influence of temperature on the resonant contrast for the dip with a higher contrast can be negligible. Thus, its contrast variation is merely determined by curvature, meaning that the LPFG is intrinsically suitable for temperature-independent curvature sensing. The curvature sensitivity can be up to about 55 dB/m<sup>−1</sup> by adjusting the SOP. The demonstrations show that our fabricated LPFG can realize the elimination of cross-sensitivity induced by temperature in both torsion and curvature measurements. Additionally, the SMF-based LPFG has the advantages of low fabrication difficulty and cost, providing a simple and economic way for temperature-independent sensing.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104099"},"PeriodicalIF":2.6,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143129549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Machine learning opportunities for integrated polarization sensing and communication in optical fibers
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-11 DOI: 10.1016/j.yofte.2024.104047
Andrej Rode , Mohammad Farsi , Vincent Lauinger , Magnus Karlsson , Erik Agrell , Laurent Schmalen , Christian Häger
{"title":"Machine learning opportunities for integrated polarization sensing and communication in optical fibers","authors":"Andrej Rode ,&nbsp;Mohammad Farsi ,&nbsp;Vincent Lauinger ,&nbsp;Magnus Karlsson ,&nbsp;Erik Agrell ,&nbsp;Laurent Schmalen ,&nbsp;Christian Häger","doi":"10.1016/j.yofte.2024.104047","DOIUrl":"10.1016/j.yofte.2024.104047","url":null,"abstract":"<div><div>As the bedrock of the Internet, optical fibers are ubiquitously deployed and historically dedicated to ensuring robust data transmission. Leveraging their extensive installation, recent endeavors have focused on utilizing these telecommunication fibers also for environmental sensing, exploiting their inherent sensitivity to various environmental disturbances. In this paper, we consider integrated sensing and communication (ISAC) systems that combine data transmission and sensing functionalities, by monitoring the state of polarization to detect environmental changes. In particular, we investigate various machine learning techniques to enhance the performance and capabilities of such polarization-based ISAC systems. Gradient-based techniques such as adaptive zero-forcing equalization are examined for their potential to enhance sensing accuracy at the expense of communication performance, with strategies discussed for mitigating this trade-off. Additionally, the paper reviews novel machine-learning-based approaches for blind channel estimation using variational autoencoders, aimed at improving channel estimates compared to traditional adaptive equalization methods. We also discuss the problem of distributed polarization sensing and review a recent physics-based learning approach for Jones matrix factorization, potentially enabling spatial resolution of sensed events. Lastly, we discuss the potential of leveraging dual-functional autoencoders to optimize ISAC transmitters and the corresponding transmit waveforms. Our paper underscores the potential of telecom fibers for joint data transmission and environmental sensing, facilitated by advancements in digital signal processing and machine learning.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104047"},"PeriodicalIF":2.6,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cobalt coated optical fiber in distributed optical fiber sensing for effective tracking and monitoring of magnetic nanoparticles in the reservoir
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-11 DOI: 10.1016/j.yofte.2024.104085
Mohamad Hafizal Mad Zahir , Suzalina Zainal , Chean Lin Lew , Ridhwan Zhafri Kamarul Bahrim , Abdul Halim Abdul Latiff , Hairul Azhar Abdul Rashid
{"title":"Cobalt coated optical fiber in distributed optical fiber sensing for effective tracking and monitoring of magnetic nanoparticles in the reservoir","authors":"Mohamad Hafizal Mad Zahir ,&nbsp;Suzalina Zainal ,&nbsp;Chean Lin Lew ,&nbsp;Ridhwan Zhafri Kamarul Bahrim ,&nbsp;Abdul Halim Abdul Latiff ,&nbsp;Hairul Azhar Abdul Rashid","doi":"10.1016/j.yofte.2024.104085","DOIUrl":"10.1016/j.yofte.2024.104085","url":null,"abstract":"<div><div>Enhanced and Improved Oil Recovery (EOR/IOR) projects critically depend on effective tracking and monitoring of fluid mobility in the reservoir for optimal operation. Traditional fluid tracking methods often struggle with low spatial resolution and fail to accurately monitor low-contrast fluids in complex reservoirs, leading to gaps in understanding fluid movement. This paper introduces an innovative subsurface monitoring approach for EOR/IOR that leverages magnetic nanoparticles (MNPs) combined with a cobalt-coated fiber optic (CoF) sensing system installed along the borehole. The CoF system is optimized for high magnetic sensitivity (10<sup>-5</sup> T) and sub-meter spatial resolution, enabling precise detection of MNP movements within the reservoir. Our research includes a sensitivity analysis that identifies the ideal magnetic permeability (μ between 10 and 100) for effective MNP injection and laboratory-scale experiments in a sand column setup to validate magnetic modeling. The CoF sensors demonstrated a 30 % improvement in magnetic field sensitivity compared to nickel-coated fibers, while effectively distinguishing between magnetic field changes and minor temperature variations, with a tolerance threshold of ± 2°C. The results show that CoF sensors can reliably track MNPs, map fluid flow along the borehole, and provide continuous, real-time data on fluid dynamics. Additionally, the study addresses the impact of temperature fluctuations on sensor performance and proposes mitigation strategies. These findings suggest that this novel approach significantly enhances the accuracy and reliability of EOR/IOR monitoring, leading to improved reservoir management, operational efficiency, and oil recovery.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104085"},"PeriodicalIF":2.6,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
32 GBaud PDM coherent transmission over 8000 km based on recirculating optical fiber loop controller
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-10 DOI: 10.1016/j.yofte.2024.104097
Hao Guo , Xuemei Du , Fengping Yan , Wenhua Ren , Ting Li , Guangbo Li , Xiangdong Wang , Dandan Yang , Haoyu Tan , Qi Qin , Zhenyu Gu , Yuezhi Cai , Wenjie Ji , Ting Feng , Huan Chang
{"title":"32 GBaud PDM coherent transmission over 8000 km based on recirculating optical fiber loop controller","authors":"Hao Guo ,&nbsp;Xuemei Du ,&nbsp;Fengping Yan ,&nbsp;Wenhua Ren ,&nbsp;Ting Li ,&nbsp;Guangbo Li ,&nbsp;Xiangdong Wang ,&nbsp;Dandan Yang ,&nbsp;Haoyu Tan ,&nbsp;Qi Qin ,&nbsp;Zhenyu Gu ,&nbsp;Yuezhi Cai ,&nbsp;Wenjie Ji ,&nbsp;Ting Feng ,&nbsp;Huan Chang","doi":"10.1016/j.yofte.2024.104097","DOIUrl":"10.1016/j.yofte.2024.104097","url":null,"abstract":"<div><div>A recirculating optical fiber loop controller (ROFLC) is essential equipment for experimental verification of long-haul optical fiber communication transmission. In this experiment, the integrated acousto-optic modulators are controlled by a timing circuit composed of counters and comparators in a field programmable gate array (FPGA) to control the on–off of the optical signal. The ROFLC is introduced into the communication system to achieve 4 quadrature-amplitude-modulation (QAM) signal at 32 GBaud, over 8000 km single-mode fiber (SMF) transmission utilizing polarization division multiplexing (PDM). The ROFLC makes possible a low-cost and lightweight optical fiber communication system, and strongly promotes the application of optical fiber communication systems.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104097"},"PeriodicalIF":2.6,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation and performance study of a Tm3+-doped silicate heterogeneous helical cladding large mode area fiber
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-10 DOI: 10.1016/j.yofte.2024.104104
Xiao Shen , Yingying Li , Liaolin Zhang , Tao Yang , Leilei Liu
{"title":"Preparation and performance study of a Tm3+-doped silicate heterogeneous helical cladding large mode area fiber","authors":"Xiao Shen ,&nbsp;Yingying Li ,&nbsp;Liaolin Zhang ,&nbsp;Tao Yang ,&nbsp;Leilei Liu","doi":"10.1016/j.yofte.2024.104104","DOIUrl":"10.1016/j.yofte.2024.104104","url":null,"abstract":"<div><div>Tm<sup>3+</sup>-doped fiber lasers are widely used in industrial manufacturing, medical treatment and national defense fields et al. In this work, a Tm<sup>3+</sup>-doped silicate glass large mode area fiber with heterogeneous helical claddings was fabricated for the first time, including glass preparation, fiber preparation and testing, etc. Refractive index of the core, inner cladding 1 (and outer cladding) and inner cladding 2 are 1.51826, 1.51745 and 1.51838 respectively. The difference of <em>T</em><sub>g</sub> (<em>T</em><sub>s</sub> or <em>α</em><sub>20-300</sub>) between core and cladding glass is very small and meets the requirements of fiber drawing. The structure parameters of the prepared fiber are as follows: the core diameter is 60 μm, the outer cladding diameter is 298.29 μm, the helix pitch is 25 mm and the central angle of cladding 2 is 15.66°. The mode transmission characteristics of the fiber was tested, and the output spot of the fiber was close to a single-mode state, which is basically consistent with theoretical design results. The loss and net gain coefficients of the fiber are 2.88 dB/m and 0.366 dB/m, respectively. The loss coefficient is high, the reasons and improvement methods have been provided. The relevant exploration is conducive to promoting the further application of this new type of optical fiber.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104104"},"PeriodicalIF":2.6,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A wearable fiber Bragg grating-based eye-tracking device for monitoring saccadic eye movements for neurological assessments
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-09 DOI: 10.1016/j.yofte.2024.104101
S. Srivatzen , Shweta Pant , U. Sharath , Aditya Murthy , Sundarrajan Asokan
{"title":"A wearable fiber Bragg grating-based eye-tracking device for monitoring saccadic eye movements for neurological assessments","authors":"S. Srivatzen ,&nbsp;Shweta Pant ,&nbsp;U. Sharath ,&nbsp;Aditya Murthy ,&nbsp;Sundarrajan Asokan","doi":"10.1016/j.yofte.2024.104101","DOIUrl":"10.1016/j.yofte.2024.104101","url":null,"abstract":"<div><div>Brain disorders are one of the major causes of disability worldwide, which often lead to mortality as well. The early diagnosis can help in effectively distinguishing and tracking neurological disorders for more effective treatments. Fast eye movements, called saccades, are increasingly being considered as markers of neurological and mental status of the person; this study aims to develop a non-invasive, wearable, eye tracking methodology to track saccadic movements of the eyeball. The proposed eye-tracking device employs a Fiber Bragg Grating (FBG) sensor to acquire the minute strain variations experienced by the lower eyelid during eyeball movements. The inherent advantages such as fast response, high sensitivity towards minute strain variations, chemical and electrical inertness, etc. make of optical Fiber Bragg Gratings, very suitable for such biomedical sensing applications.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104101"},"PeriodicalIF":2.6,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of bending angle on antiresonant fibers with optimized symmetric geometries
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-09 DOI: 10.1016/j.yofte.2024.104071
Rania A. Eltaieb , Steeve Morency, Younès Messaddeq, Sophie LaRochelle, Leslie A. Rusch
{"title":"Impact of bending angle on antiresonant fibers with optimized symmetric geometries","authors":"Rania A. Eltaieb ,&nbsp;Steeve Morency,&nbsp;Younès Messaddeq,&nbsp;Sophie LaRochelle,&nbsp;Leslie A. Rusch","doi":"10.1016/j.yofte.2024.104071","DOIUrl":"10.1016/j.yofte.2024.104071","url":null,"abstract":"<div><div>Hollow core fibers are unique in reducing signal latency, as well as providing low dispersion and low nonlinearity. Their adoption is hindered by cost, particularly for complex structures that provide the lowest loss. Designs of antiresonant nodeless fiber (ANF) with uniformly sized capillaries, symmetric structures, and without nesting have simple structures that could more readily achieve commercial exploitation. We investigate simple ANF structures for short-reach applications where reduced latency is critical and transmission lengths are short enough to allow a trade-off on loss.</div><div>A common design rule in ANF targets a ratio of 0.68 for capillary diameter to core diameter. We find that when such a design is combined with a large core diameter, the fiber is highly sensitive to bending orientation. We identify ANF designs that offer single-mode operation with acceptable loss, as well as robustness to bending radius and orientation. When there is no bending, our best design has a simulated loss of <span><math><mo>≤</mo></math></span> 7 dB/km at the worst-case C-band wavelength. At bending radii of 21 and 18 cm, the worst-case loss over all bending orientations and throughout the C-band is 14.5 and 17.52 dB/km, respectively. Higher-order mode suppression exceeds 20 dB under all conditions (bending and wavelength).</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104071"},"PeriodicalIF":2.6,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A temperature self-compensating fiber-optic magnetic field sensor based on Mach-Zehnder interferometer and Vernier effect
IF 2.6 3区 计算机科学
Optical Fiber Technology Pub Date : 2024-12-09 DOI: 10.1016/j.yofte.2024.104096
Chaopeng Wang , Rui Pan , Yuqiang Yang , Haibin Wu , Ye Wu , Hui Yang , Ran Ji , Wenlong Yang
{"title":"A temperature self-compensating fiber-optic magnetic field sensor based on Mach-Zehnder interferometer and Vernier effect","authors":"Chaopeng Wang ,&nbsp;Rui Pan ,&nbsp;Yuqiang Yang ,&nbsp;Haibin Wu ,&nbsp;Ye Wu ,&nbsp;Hui Yang ,&nbsp;Ran Ji ,&nbsp;Wenlong Yang","doi":"10.1016/j.yofte.2024.104096","DOIUrl":"10.1016/j.yofte.2024.104096","url":null,"abstract":"<div><div>A temperature self-compensating fiber-optic magnetic field sensor based on Mach-Zehnder interferometer (MZI) and Vernier effect was proposed. The sensor consisted of MZIs connected in parallel. The hollow-core fiber (HCF) cladding of two MZIs was etched by hydrofluoric acid, and wrapped with magnetic fluid (MF) and polydimethylsiloxane (PDMS), respectively. The magnetic field sensitivity of MZI1 was improved by etching the HCF cladding. The maximum detection sensitivity of MZI1 was −161.1 pm/mT, and the temperature cross-sensitivity was 0.647 mT/°C. MZI2 was designed to be insensitive to magnetic fields, while its temperature sensitivity was similar to that of MZI1. By adjusting the parameters of two MZIs, the sensor could produce a Vernier effect with changes in magnetic field, increasing the sensitivity of magnetic field detection. Since the temperature response of two MZIs was similar, the sensors could produce a reduced Vernier effect with temperature changes, eliminating temperature crosstalk, and achieving temperature self-compensation. The experimental results demonstrated that the magnetic field sensitivity of the sensor was −654.7 pm/mT, which was 4.1 times higher than that of MZI1. The temperature crosstalk sensitivity was only 0.029 mT/°C, which was 22.3 times lower than that of MZI1. The proposed sensor enhanced the utilization efficiency of the Vernier effect through the special design of MZI2, which provided a new strategy for the Vernier effect in the fiber-optic magnetic field measurement domain.</div></div>","PeriodicalId":19663,"journal":{"name":"Optical Fiber Technology","volume":"90 ","pages":"Article 104096"},"PeriodicalIF":2.6,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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