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Статті в журналах з теми "Fiber transmission"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Lin, Hongy, Delbert E. Day, and James O. Stoffer. "Model for the temperature dependent transmission of optically transparent poly(methyl methacrylate) composites." Journal of Materials Research 8, no. 2 (1993): 364–70. http://dx.doi.org/10.1557/jmr.1993.0364.

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An infinite cylinder model was used to predict the optical transmission of transparent composites containing unidirectionally aligned glass fibers. The parameters used in the model are the volume content and diameter of the glass fibers, the refractive index of the fiber and matrix, the nonwet fiber content, the thickness of the composite, and the temperature coefficient of the refractive index of the matrix. The transmission calculated from the model agreed well with the measured temperature-dependent transmission of a composite from 20 to 70 °C for thin specimen (<1.0 mm) containing fiber

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2

I, Malysh, and Kulish N. "FIBER OPTIC INFORMATION TRANSMISSION SYSTEMS." National Transport University Bulletin 1, no. 48 (2021): 203–7. http://dx.doi.org/10.33744/2308-6645-2021-1-48-203-207.

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Features of information transmission on optical fibers in the presence of spark and electric noise are investigated in detail. The purpose of research: to determine the requirements for light sources, optical cables and photodetectors most suitable for the manufacture of fiber optic systems suitable for information exchange. The object of research is fiber optic systems. Research method is theoretical. The basic requirements for the choice of light-emitting diodes, photodiodes and optical cables in the technical implementation of optical communication in the presence of spark and electromagnet

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3

Paliwal, Dr Rohit. "Optical Fiber Communication." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem47650.

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Abstract– Fiber optic systems are important telecommunication infrastructure for worldwide broadband networks. Wide bandwidth signal transmission with low delay is a key requirement in present day applications. Optical fibers provide enormous and unsurpassed transmission bandwidth with negligible latency, and are now the transmission medium of choice for long distance and high data rate transmission in telecommunication networks. This paper gives an overview of fiber optic communication systems including their key technologies, and discusses their technological trend towards the next generatio

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4

Wahane, Anurag. "Experimental Study on Translucent Concrete." International Journal for Research in Applied Science and Engineering Technology 10, no. 1 (2022): 789–92. http://dx.doi.org/10.22214/ijraset.2022.39915.

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Abstract: Light-transmitting concrete, known also as translucent concrete, is literally the brightest concrete development in recent years. Strands of optical fibers are cast by the thousands into concrete to transmit light, either natural or artificial, into all spaces surrounding the resulting translucent panels. The material can be used in a variety of architectural and interior design applications, such as wall cladding and dividers. The main theme of this paper is use of optical fibers in concrete, which is energy saving and green technology. It lends great energy savings in closed and no

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5

Matsuura, Motoharu. "Recent Advancement in Power-over-Fiber Technologies." Photonics 8, no. 8 (2021): 335. http://dx.doi.org/10.3390/photonics8080335.

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Power-over-fiber is a power transmission technology using optical fibers that offers various features not available in conventional power lines, such as copper wires. The basic configuration of power-over-fiber comprises three key components: light sources, optical fibers, and photovoltaic power converters. This review article presents the features of power-over-fiber and its key components. Moreover, recent advancement in power-over-fiber technologies based on their latest results is introduced, focusing primarily on papers presented at the Optical Wireless and Fiber Transmission Conferences

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6

Hamada, T., Y. Sajiki, M. Furuyama, T. Tomioka, and M. Endo. "Pitch-based carbon fibers as studied by transmission electron microscopy." Journal of Materials Research 4, no. 4 (1989): 1027–33. http://dx.doi.org/10.1557/jmr.1989.1027.

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The microstructures of carbon fibers prepared from coal tar mesophase pitch and heat-treated at 2500 °C were studied by transmission electron microscopy (TEM). The degree of preferred orientation of the carbon fibers along the fiber axis was not significantly changed: by spinning, while stirring the pitch above the capillary; by changing the viscosity of the pitch in spinning from 60 poise to 250 poise, keeping the diameter of the pitch precursor fiber about 11.5 μm, which is that of the as-spun fiber; and by controlling the diameter of the pitch fiber from 8 μm to 18 μm, keeping the viscosity

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7

J., Ilouno, Awoji M., and Sani J. "Analysis on The Impact of Reflectance in Optical Fiber Links." International Journal of Trend in Scientific Research and Development 2, no. 4 (2018): 1372–75. https://doi.org/10.31142/ijtsrd14378.

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An optical fiber link is a part of an optic fiber communication system. Other components of the optic fiber link include the transmitter, connectors, and the receiver. The optical fiber could be single mode for long distance transmission or multi mode for short distance transmission . This paper however, majors on the impact of reflectance in the single mode optical fiber. Reflectance is a hidden threat that increases Bit Error Rate, BER, rate at which errors occur in transmission system and reduces system performance if not monitored or controlled. Optical Time Domain Reflectometer OTDR was u

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8

Cui, Jian, Yu Deng, Zhuo Liu, et al. "First Real-Time 221.9 Pb/S∙Km Transmission Capability Demonstration Using Commercial 138-Gbaud 400 Gb/S Backbone OTN System over Field-Deployed Seven-Core Fiber Cable with Multiple Fusion Splicing." Photonics 12, no. 3 (2025): 269. https://doi.org/10.3390/photonics12030269.

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The core-division-multiplexed (CDM) transmission technique utilizing uncoupled multi-core fiber (MCF) is considered a promising candidate for next-generation long-haul optical transport networks (OTNs) due to its high-capacity potential. For the field implementation of MCF, it is of great significance to explore its long-haul transmission capability using high-speed OTN transceivers over deployed MCF cable. In this paper, we investigate the real-time long-haul transmission capability of a deployed seven-core MCF cable using commercial 138-Gbaud 400 Gb/s backbone OTN transceivers with a dual-po

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9

Kleiza, V. "Modelling Light Transmission in a Fiber-Optical Reflection System." Nonlinear Analysis: Modelling and Control 9, no. 1 (2004): 55–63. http://dx.doi.org/10.15388/na.2004.9.1.15170.

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Light transmission in the reflection fiber system, located in external optical media, has been investigated for application as sensors. The system was simulated by different models, including external cavity parameters such as the distance between light emitting and receiving fibers and mirror positioning distance. The sensitivity to a linear displacement of the sensors was studied as a function of the distance between the tips of the light emitting fiber and the center of the pair reflected light collecting fibers, by positioning a mirror. Physical fundamentals and operating principles of the

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10

Jihad, Noor J., and Murooj A. Abd Almuhsan. "Future trends in optical wireless communications systems: Review." Technium: Romanian Journal of Applied Sciences and Technology 13 (September 15, 2023): 53–67. http://dx.doi.org/10.47577/technium.v13i.9474.

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Optical fibers are frequently used in data transmission systems, Because of their ability to transmit large amounts of information and dielectric nature. In central, metropolitan, or broad-area applications, network topologies incorporating many wavelengths per optical fiber are utilized to connect thousands of users with a wide variety of transmission rates and capacities. The simultaneous transmission of many wavelengths over a fiber with a nm range of 1300 to 1600 is a potent characteristic of an Optical communication network. Wavelength division multiplexing (WDM) is a method for combining

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11

Wang, Xi Chen, Xue Jun Zhou, and Ming Jie Li. "Simulation of Information Transmission System for Seafloor Observation Platform." Applied Mechanics and Materials 701-702 (December 2014): 1033–36. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.1033.

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This paper presents a scheme of information transmission system for undersea observation platform based on all-optical network. Through flexible using of WDM, OADM, EDFA, RFA, DCF and other technology, it effectively compensates chromatic dispersion, restrains nonlinear effects and noise problems. Fibers in primary nodes are directly assigned to ensure mutual independence between different transmission links. Dual-fiber bidirectional transmission mode that wavelength of one fiber drops to the node by OADM, then return to the same transmission station in the other fiber, increases the reliabili

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12

Yu, Shaoshao, Wenyu Zhao, Wenxiang Xue, and Shougang Zhang. "Microwave Frequency Dissemination over a 250 km Fiber Link with Stability at the 10−18 Level." Photonics 10, no. 8 (2023): 872. http://dx.doi.org/10.3390/photonics10080872.

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In this paper, a microwave phase compensation scheme is adopted. It utilizes microwave signals of different frequencies for round-trip signal transmission over a 250 km fiber optic link to mitigate the impact of parasitic reflections. Additionally, dispersion compensation fibers are employed to compensate for the dispersion in the fiber optic link. Bidirectional optical amplifiers are utilized to compensate for the losses in long-distance fiber optic links and reduce optical path asymmetry. By implementing these methods, the transmission stability of the fiber optic microwave frequency transmi

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13

GAO, YINGXIN, ANTHONY M. WAAS, and ALAN S. WINEMAN. "MECHANICS OF INJURY TO MUSCLE FIBERS." Journal of Mechanics in Medicine and Biology 07, no. 04 (2007): 381–94. http://dx.doi.org/10.1142/s021951940700242x.

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An advanced shear lag model is developed to analyze the stress-shielding effect in injured muscle fiber by introducing the activation strain. The model considers three muscle fibers connected by the endomysium with the middle muscle fiber injured. Stress shielding describes the function of the lateral transmission of force in protecting the injured muscle fibers from being further injured by transferring force in the injured muscle fiber to its adjacent muscle fibers. Parameter studies demonstrate that the mechanical and geometrical properties of muscle fibers and the endomysium as well as the

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14

Sekulic, Rade, Nikola Slavkovic, Milesa Sreckovic, Milojko Kovacevic, and Miljan Stamenovic. "The influence of gamma radiation on polarization mode dispersion of fibers applied in communications." Nuclear Technology and Radiation Protection 27, no. 2 (2012): 171–77. http://dx.doi.org/10.2298/ntrp1202171s.

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The fiber optics technology is constantly being developed, and is becoming an essential component of contemporary communications, medicine and industry. Fibers, their connections and system components play a major role in optical signal transmission, telecommunications, power transmission, and sensing processes using fiber technology. The two main light propagation characteristics of an optical fiber are attenuation and dispersion. The possibility of controling these parameters is of utmost importance for obtaining the requested transmission quality. This paper reports on an investigation to d

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15

Bakurov, Diomid D., and Oleg V. Ivanov. "Control of Excitation of Cladding Modes by Tapering an Insertion of Special Fiber." Sensors 21, no. 7 (2021): 2498. http://dx.doi.org/10.3390/s21072498.

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A method for controlling the excitation of cladding modes by tapering special fiber insertions made of SM450 and coreless fibers is proposed. The coupling coefficients between the core mode and the cladding modes of the tapered fiber insertion are calculated. For the calculation, changes in the effective refractive indices and phases of the fiber core and in the cladding modes upon tapering are found. The field distribution of the core mode of the standard fiber transmitted through fiber insertion is obtained. The transmission characteristics of insertions of SM450 and coreless fibers during t

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16

Wehner, John A., Bernard Miller, and Ludwig Rebenfeld. "Dynamics of Water Vapor Transmission through Fabric Barriers." Textile Research Journal 58, no. 10 (1988): 581–92. http://dx.doi.org/10.1177/004051758805801005.

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An experimental apparatus has been developed to permit the simultaneous measurement of moisture sorption by a fabric and moisture flux through a fabric during the transient period after the fabric is exposed to a humidity gradient. By suitable manipulation of the experimental conditions, the method demonstrates that moisture flux occurs predominantly through the air spaces of the fabric; the role of the fibers is to act as a moisture source or sink. Two mathematical descriptions of the transient period have been developed, in which the interaction between moisture sorption by the fibers and mo

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17

Wei, Chengli, Curtis Menyuk, and Jonathan Hu. "Geometry of Chalcogenide Negative Curvature Fibers for CO2 Laser Transmission." Fibers 6, no. 4 (2018): 74. http://dx.doi.org/10.3390/fib6040074.

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We study the impact of geometry on leakage loss in negative curvature fibers made with As 2 Se 3 chalcogenide and As 2 S 3 chalcogenide glasses for carbon dioxide (CO 2 ) laser transmission. The minimum leakage loss decreases when the core diameter increases both for fibers with six and for fibers with eight cladding tubes. The optimum gap corresponding to the minimum loss increases when the core diameter increases for negative curvature fibers with six cladding tubes. For negative curvature fibers with eight cladding tubes, the optimum gap is always less than 20 μ m when the core diameter ran

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18

Boriek, Aladin M., Deshen Zhu, Mark Zeller, and Joseph R. Rodarte. "Inferences on force transmission from muscle fiber architecture of the canine diaphragm." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 280, no. 1 (2001): R156—R165. http://dx.doi.org/10.1152/ajpregu.2001.280.1.r156.

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Functional properties of the diaphragm are mediated by muscle structure. Modeling of force transmission necessitates a precise knowledge of muscle fiber architecture. Because the diaphragm experiences loads both along and transverse to the long axes of its muscle fibers in vivo, the mechanism of force transmission may be more complex than in other skeletal muscles that are loaded uniaxially along the muscle fibers. Using a combination of fiber microdissections and histological and morphological methods, we determined regional muscle fiber architecture and measured the shape of the cell membran

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19

Hang, Xinyu. "Research Progress and Development Trend of L+ Band Fiber Amplifier (1600-1650nm)." Highlights in Science, Engineering and Technology 72 (December 15, 2023): 632–37. http://dx.doi.org/10.54097/zdxah013.

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In the twenty-first century of scientific and technological development, with high-speed information processing, a large amount of information transmission and ultra-high-density storage space as the primary communication technology breakthrough target. Especially with the continuous development and advancement of optical fiber technology, optical fiber transmission occupies the primary position in information transmission. With the increasing demand for communication capacity and system expansion in long-distance optical fiber transmission systems, people are making more and more use of optic

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20

Bhatia, Ajay, and Vikrant Sharma. "Elements of a Fiber Optic Communication System." Journal of Optical Communication Electronics 8, no. 2 (2022): 19–25. http://dx.doi.org/10.46610/jooce.2022.v08i02.004.

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Fiber optic connection is the best option for data transmission at gigabit and above rates. Voice, video, telemetry, and data are all transmitted using this method of communication over great distances and over computer networks or local area networks. By converting electronic signals into light, a fibre optic communication system uses light-wave technology to transfer data via fiber. Large bandwidth, smaller diameter, lightweight, long-distance signal transmission, low attenuation, transmission security, and other outstanding characteristics of this type of communication system make it a key

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21

Shi, Jing, Xinyu Ye, Yulong Cui, et al. "All-Fiber Gas Cavity Based on Anti-Resonant Hollow-Core Fibers Fabricated by Splicing with End Caps." Photonics 8, no. 9 (2021): 371. http://dx.doi.org/10.3390/photonics8090371.

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In recent years, fiber gas lasers have obtained a rapid development, however, efficient and stable pump coupling is a key limitation for their applications in the future. Here, we report an all-fiber gas cavity based on anti-resonant hollow-core fibers which have the beneficial properties of adjustable broad transmission bands and potential low transmission attenuation, especially in the mid-infrared. This kind of all-fiber gas cavity is fabricated by directly splicing with end caps at both ends for the first time. The high-power laser transmission characteristics were studied, and the experim

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22

Chen, Jianjun, Zhongrui Bai, Guangwei Li, and Haotong Zhang. "The Correction of Fiber Throughput Variation due to Focal Ratio Degradation." Proceedings of the International Astronomical Union 9, S298 (2013): 398. http://dx.doi.org/10.1017/s1743921313006650.

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AbstractThe focal ratio degradation (FRD) of optical fibers is a major source causing light loss to astronomical multi-fibre instruments like LAMOST (Oliveira, A. C, et al. 2005). The effects of stress and twist during mounting and rotation of the fibers could change the FRD for individual fibers (Clayton 1989), which means that the transmission efficiency of each individual fiber will vary. We investigate such throughput variation among LAMOST fibers and its relevance to the intensity of sky emission lines (Garstang 1989) over the full wavelength coverage. On the basis of the work, we present

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23

Elhajrat, N., O. Elouatssi, A. El Abbassi, F. Essahlaoui, and M. Aftatah. "Study of Optical MIMO Transmission Systems Using the MGDM Multiplexing Technique." Modern Applied Science 14, no. 1 (2019): 34. http://dx.doi.org/10.5539/mas.v14n1p34.

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In current local area networks, multimode fibers (MMFs), mainly graded index (GI) MMFs, are the main types of fibers used for data communications. Because of their high bandwidth, they are considered the main method of transmission that allows to offer multiservice broadband services using optical multiplexing techniques.  The MGDM (ModeGroup Division Multiplexing) is a Multiplexing technique, which aims to improve the performance of the multimode optical fiber by spatially multiplexing the data streams to be transmitted. In this work, we study optical MIMO (multi-input multi-outpu

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24

Saoud, Hamza A. "Performance Simulation of a FTTH/GPON Optical Communication System for Different Lengths Using OptiSystem software." International Science and Technology Journal 35, no. 1 (2024): 1–12. http://dx.doi.org/10.62341/licase2110.

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High-speed data transmission over long distances is a big challenge in the telecommunications world. Therefore, a reliable communication network is needed to provide this service to subscribers. Fiber optics is based on Fiber to the Home (FTTH / GPON) network, which is a fiber optic architecture that uses fibers as transmission channels to customers' homes or offices. In this proposed paper, the optical fiber analysis to the houses at different lengths (5-35km) presented and discussed. The transmission power was set to 5 dBm, from the results of the design optisystem tools, when the optical fi

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25

Biwa, Shiro, Kazuhiro Nakashima, and Eiji Matsumoto. "Finite Element Analysis of Wave Transmission through a Unidirectional Composite Layer." Key Engineering Materials 334-335 (March 2007): 393–96. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.393.

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Elastic wave transmission characteristics through a fiber-reinforced composite layer are studied by the two-dimensional steady-state finite element analysis. To this purpose, boundary conditions are formulated which account for the connection of the model domain to the semi-infinite regions as well as a certain periodicity of the fiber arrangement. The transmission characteristics through a composite layer are computed for the longitudinal and transverse wave incidence, assuming a finite number of fiber alignments in a square array. The analysis delineates the existence of clear stop bands in

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26

Munir, Abid, Amjad Ali, and Abdul Latif. "Mode Coupling in Mode Division Multiplexing techniques for futuristic high speed optical networks and exploring optical fiber parameters to control mode coupling." Mehran University Research Journal of Engineering and Technology 42, no. 4 (2023): 148. http://dx.doi.org/10.22581/muet1982.2304.2868.

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Fiber optic communications are inevitable to achieve higher data rates of modern telecom networks. After utilization of Wavelength division multiplexing, higher order modulations and polarization multiplexing, mode division multiplexing is a new dimension to achieve higher transmission capacity for optical fiber communication links. Different spatial distributions of optical energy along cross sectional area of optical fiber allows simultaneous transmission of data by considering each mode as an independent channel. During such simultaneous transmissions, possibility of mixing of signals among

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27

Denev, Daniel. "ANALYSIS OF THE REQUIREMENTS FOR OPTICAL CABLES FOR CONSTRUCTION OF UNDERWATER TRANSMISSION SYSTEMS." Journal Scientific and Applied Research 21, no. 1 (2021): 75–79. http://dx.doi.org/10.46687/jsar.v21i1.323.

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Analysis of the requirements for underwater transmission systems using optical fibers: The purpose of this article is to explain the fundamentals of the optical fibers for underwater placement. The specific requirements for the creation of underwater transmission systems are defined by the extreme environment. A general analysis of the current optic fiber has been conducted and their main characteristics are presented.

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28

Li, Jiang-Yan. "Tapered fiber sensor in the near infrared wavelength." Materials Science-Poland 37, no. 3 (2019): 324–30. http://dx.doi.org/10.2478/msp-2019-0047.

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AbstractSimulated transmission spectra for tapered fibers with no taper, one taper and two tapers in the near infrared wavelength range, calculated by Finite-Difference-Time-Domain method are currently presented. Transmission peak positions tend to shift to the shorter wavelength when the taper deformation is added to the fiber or the taper width gets narrower. The thickness sensitivity for the tapered structures with different taper thicknesses is about 2.28e-3 nm·µm−1. There is an interference structure in the electric field distribution images, which reveals in the fiber structures. The tra

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29

Pradeep, Kumar Sharma, Kumar Singh Ashutosh, Yadav Manisha, and Chauhan Sanjay. "Review on high capacity transmission with multi core fibers." i-manager's Journal on Communication Engineering and Systems 11, no. 2 (2022): 34. http://dx.doi.org/10.26634/jcs.11.2.18973.

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This paper describes cases where the new type of fiber called Multi-core fiber that can resolve the current Internet capacity transmission problems with low crosstalk and attenuation. India is a data-hungry country, and with the help of the Internet, it's moving towards a strong economy and a digital India. A few years ago, no one knew that such a type of digitalization would occur and India would participate in it so rapidly. Currently, the world is moving towards basic phones to Smart Phones, Broadband, Wi-Fi equipment, Over the Top Platforms, IT Hub formation, and much more internet traffic

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30

Drljača, Branko, Svetislav Savović, Milan S. Kovačević, et al. "Theoretical Investigation of Bandwidth in Multimode Step-Index Silica Photonic Crystal Fibers." Photonics 9, no. 4 (2022): 214. http://dx.doi.org/10.3390/photonics9040214.

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Solving the time-dependent power flow equation (PFE) provides a useful method to study the transmission bandwidth of step-index silica photonic crystal fibers (SI SPCFs). The transmission bandwidth of these kinds of fibers is determined for different air-hole structures (different numerical apertures (NAs)) and different distribution widths of the Gaussian launch beam. The results indicate that the lower the NA of SI SPCFs, the higher the bandwidth (for example, for a lower NA of SI SPCFs, a bandwidth that is eight times larger is obtained at a fiber length of 3500 m). The narrower launch beam

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31

Kimura, T. "Coherent optical fiber transmission." Journal of Lightwave Technology 5, no. 4 (1987): 414–28. http://dx.doi.org/10.1109/jlt.1987.1075531.

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32

Kimura, Tatsuya. "Coherent optical fiber transmission." Hyperfine Interactions 37, no. 1-4 (1987): 311–23. http://dx.doi.org/10.1007/bf02395718.

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33

Hirano, Masaaki. "Future of Transmission Fiber." IEEE Photonics Journal 3, no. 2 (2011): 316–19. http://dx.doi.org/10.1109/jphot.2011.2130519.

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34

Khozeymeh, Foroogh, Federico Melli, Sabrina Capodaglio, et al. "Hollow-Core Fiber-Based Biosensor: A Platform for Lab-in-Fiber Optical Biosensors for DNA Detection." Sensors 22, no. 14 (2022): 5144. http://dx.doi.org/10.3390/s22145144.

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In this paper, a novel platform for lab-in-fiber-based biosensors is studied. Hollow-core tube lattice fibers (HC-TLFs) are proposed as a label-free biosensor for the detection of DNA molecules. The particular light-guiding mechanism makes them a highly sensitive tool. Their transmission spectrum is featured by alternations of high and low transmittance at wavelength regions whose values depend on the thickness of the microstructured web composing the cladding around the hollow core. In order to achieve DNA detection by using these fibers, an internal chemical functionalization process of the

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35

STUDY, OF ATTENUATION AND BENDING LOSSES IN SIGNAL TRANSMISSION OVER STEP INDEX MULTIMODE PMMA FIBERS. "STUDY OF ATTENUATION AND BENDING LOSSES IN SIGNAL TRANSMISSION OVER STEP INDEX MULTIMODE PMMA FIBERS." International Journal of Ambient Systems and applications(IJASA) 8, no. 1/2 (2023): 10. https://doi.org/10.5281/zenodo.7867802.

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Plastic optical fibers (POFs) are highly promising transmission media for short distance optical communication in transmitting information from source to destination by sending light pulses. Compared to glass optical fibers, POFs offer many advantages such as low cost, huge flexibility and ease of installation. In contrast, POFs have the drawback of their relatively high loss. Accordingly, a continued research on the loss analysis of plastic fiber based optical fiber communication systems is necessary to examine their performance in data transmission. This paper deals with an experimental stud

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Boucouvalas, Anthony, Christos Papageorgiou, Eurypides Georgantzos, and Theophanes Raptis. "Resonant Transmission Line Method for Unconventional Fibers." Applied Sciences 9, no. 2 (2019): 270. http://dx.doi.org/10.3390/app9020270.

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We provide a very general review of the resonant transmission line method for optical fiber problems. The method has been found to work seamlessly for a variety of difficult problems including elliptical and eccentric core fibers as well as “holey” photonic crystal fibers. This new version has been shown to offer great versatility with respect to cases of unconventional, inhomogeneous index profiles.

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Ivanov, Oleg V., and Alexey A. Chertoriyskiy. "Fiber-Optic Bend Sensor Based on Double Cladding Fiber." Journal of Sensors 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/726793.

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We develop and investigate fiber-optic bend sensor, which is formed by a section of double cladding SM630 fiber between standard SMF-28 fibers. The principle of operation of the sensor is based on coupling of the fiber core and cladding modes at the splices of fibers having different refractive index profiles. We use two sources with wavelengths 1328 and 1545 nm to interrogate the sensor. The dependences of transmission on curvature at these wavelengths are significantly different. We show that the proposed sensor is able to perform measurements of curvature with radii from meters to 26 cm wit

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KAINO, TOSHIKUNI. "Transmission of Optical Signals." Sen'i Gakkaishi 44, no. 9 (1988): P332—P333. http://dx.doi.org/10.2115/fiber.44.9_p332.

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Chen, Xin, Jason E. Hurley, Jeffery S. Stone, and Ming-Jun Li. "Chromatic Dispersion Measurements of Single-Mode Fibers, Polarization-Maintaining Fibers, and Few-Mode Fibers Using a Frequency Domain Method." Photonics 10, no. 2 (2023): 215. http://dx.doi.org/10.3390/photonics10020215.

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Chromatic dispersion is an important fiber attribute affecting transmission performance over optical fibers. Various chromatic dispersion measurement methods have been developed primarily for single-mode fibers. In the literature, measurement techniques were also developed to characterize few-mode fibers and multi-mode fibers. These methods are often subject to some limitations. In this paper, a simple and robust measurement method for chromatic dispersion measurement of single-mode fibers, polarization--maintaining fibers, and few-mode fibers is presented using a frequency domain instrument a

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Saitoh, Kunimasa, and Shoichiro Matsuo. "Multicore fibers for large capacity transmission." Nanophotonics 2, no. 5-6 (2013): 441–54. http://dx.doi.org/10.1515/nanoph-2013-0037.

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AbstractWe experience Internet traffic growth of 100 times every 10 years. However, the capacity of existing standard single-mode fiber is approaching its fundamental limit regardless of significant realization of transmission technologies which allow for high spectral efficiencies. Space division multiplexing (SDM) based on multicore fibers (MCFs) has emerged as a solution to the problem of saturation of the capacity of optical transmission systems. This article presents the recent progress on the MCFs for future large capacity long-distance transmission systems. In MCFs, there is a tradeoff

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41

Fafard, Simon, and Denis Masson. "Demonstration of Power-over-Fiber with Watts of Output Power Capabilities over Kilometers or at Cryogenic Temperatures." Photonics 11, no. 7 (2024): 596. http://dx.doi.org/10.3390/photonics11070596.

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We demonstrate the use of laser diodes and multijunction photovoltaic power converters to efficiently deliver watts of electrical power for long-distance or cryogenic applications. Transmission through single-mode and multi-mode fibers at the wavelengths of 808 nm and 1470/1550 nm are studied. An electrical output power of ~0.1 W is obtained after a 5 km transmission through a standard single-mode SMF28 fiber fed with 0.25 W of optical power. An electrical output power of ~1 W is demonstrated after a 5 km transmission with a standard OM1 multi-mode fiber fed with ~2.5 W. Photovoltaic conversio

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42

Maatallah, Taher, Mussad Alzahrani, Ahmad Almatar, Faisal Wahab, and Sajid Ali. "Numerical Investigation of Natural Light Transmission Through Fiber Optics." Energies 18, no. 5 (2025): 1103. https://doi.org/10.3390/en18051103.

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Fiber optics is a cutting-edge technology with boundless potential for transmitting natural light inside buildings. Imaging Solar concentrators are very efficient in focusing light within the approximate numerical aperture of fiber optics. The proof-of-concept of fiber optics concentration daylight systems was investigated and elaborated for only single-mode step-index fibers, and none of the previous studies had explored the full sun spectrum meticulously, the overall transmission efficiency, and the luminous output of such a system. The present research elaborates a detailed and exclusive nu

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Xie, Xin-Xing, Jin-Bao Yang, Ying-Zi Kang, Wen-Bin Shangguan, and Qu Zhang. "Sound transmission loss of absorber-barrier-absorber structures with kapok fibers as absorption layers." Journal of Industrial Textiles 53 (January 2023): 152808372311572. http://dx.doi.org/10.1177/15280837231157270.

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The sound insulation of the front wall of a car is mainly used to isolate the noise of the engine from being transmitted to the passenger cabin. A front wall is generally a kind of structure of Absorber-Barrier-Absorber (ABA), where A is sound absorption layer and B is sound insulation layer. The sound absorption layer (A) usually consists of porous cotton of superfine fiber or microfiber. In this paper, kapok fiber is used to make the sound-absorbing layer A, and its sound absorption is compared with that of superfine fiber. Microstructure of the two fibers is compared, and it is found that k

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Wang, Can, Jianjun Yu, Xinying Li, Pengqi Gou, and Wen Zhou. "Fiber-THz-Fiber Link for THz Signal Transmission." IEEE Photonics Journal 10, no. 2 (2018): 1–6. http://dx.doi.org/10.1109/jphot.2018.2809433.

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COMANESCU, Brindus, Paul SCHIOPU, Marian VLADESCU, and Melu VLAD. "Plastic Fiber Low Light Measurement Method." Eurasia Proceedings of Science Technology Engineering and Mathematics 26 (December 30, 2023): 641–47. http://dx.doi.org/10.55549/epstem.1412457.

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Paper describe researches performed to develop a method for checking the light transmission through plastic scintillating fiber. Such fibers are used in different industrial or research application but for our purpose are main components of a flexible detector. Such detector use photon scintillating signals read by higly sensitive detectors and special measures taken to get such sensitivity. We present in paper a method and algorithm developed for measurement of light transmission through plastic fiber when signals are at level of nW. We develop a stand to implement and verify this method. We

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Tian, Xin Xin, Guo Hua Chen, Jin Quan Wang, and Li Jun Qu. "Fiber Suitability Analysis of New Delivery Device of Friction Spinning." Advanced Materials Research 450-451 (January 2012): 706–9. http://dx.doi.org/10.4028/www.scientific.net/amr.450-451.706.

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The principle of rotated airflow transmission of friction spinning is reported in this article. The transmission experiments use six different samples of fibers and yarns, in order to study the fiber adaptability of the flats-delivered device and to draw practical conclusions.

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Dasari, Anusha. "Optical Fiber Communication Evolution,Technology and Future Trends." Journal of Advance Research in Electrical & Electronics Engineering (ISSN: 2208-2395) 2, no. 8 (2015): 28–35. http://dx.doi.org/10.53555/nneee.v2i8.181.

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Fiber optic systems are important telecommunication infrastructure for world-wide broadband networks. Wide bandwidth signal transmission with low delay is a key requirement in present day applications. Optical fibers provide enormous and unsurpassedtransmission bandwidth with negligible latency, and are now the transmission medium of choice for long distance and high data ratetransmission in telecommunication networks. This paper gives an overview of fiber optic communication systems including their keytechnologies, and also discusses their technological trend towards the next generation.

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Heudorfer, Klaus, Johannes Bauer, Yavuz Caydamli, et al. "Method of Manufacturing Structural, Optically Transparent Glass Fiber-Reinforced Polymers (tGFRP) Using Infusion Techniques with Epoxy Resin Systems and E-Glass Fabrics." Polymers 15, no. 9 (2023): 2183. http://dx.doi.org/10.3390/polym15092183.

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Recently, fiber-reinforced, epoxy-based, optically transparent composites were successfully produced using resin transfer molding (RTM) techniques. Generally, the production of structural, optically transparent composites is challenging since it requires the combination of a very smooth mold surface with a sufficient control of resin flow that leads to no visible voids. Furthermore, it requires a minimum deviation of the refractive indices (RIs) of the matrix polymer and the reinforcement fibers. Here, a new mold design is described and three plates of optically transparent glass fiber-reinfor

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Redman, SJ. "Monosynaptic Transmission in the Spinal Cord." Physiology 1, no. 5 (1986): 171–74. http://dx.doi.org/10.1152/physiologyonline.1986.1.5.171.

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The synaptic action of afferent fibers on motoneurons in the spinal cord is among the longest studied problems in the central nervous system but is still far from being fully understood. This article reports on the remarkable feat of recording from a single motoneuron activated by a single fiber, followed by labeling of both to identify unequivocally the relevant synapses.

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Rahmani, Babak, Ilker Oguz, Ugur Tegin, Jih-liang Hsieh, Demetri Psaltis, and Christophe Moser. "Learning to image and compute with multimode optical fibers." Nanophotonics 11, no. 6 (2022): 1071–82. http://dx.doi.org/10.1515/nanoph-2021-0601.

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Abstract Multimode fibers (MMF) were initially developed to transmit digital information encoded in the time domain. There were few attempts in the late 60s and 70s to transmit analog images through MMF. With the availability of digital spatial modulators, practical image transfer through MMFs has the potential to revolutionize medical endoscopy. Because of the fiber’s ability to transmit multiple spatial modes of light simultaneously, MMFs could, in principle, replace the millimeters-thick bundles of fibers currently used in endoscopes with a single fiber, only a few hundred microns thick. Th

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