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Journal of Electrical and Electronic Engineering

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Volume 10, Issue 1, February 2022

  • Electron Density Estimation and Fiber Fuse Simulation in Laser-Irradiated Bulk Glass

    Yoshito Shuto

    Issue: Volume 10, Issue 1, February 2022
    Pages: 1-9
    Received: 26 December 2021
    Accepted: 11 January 2022
    Published: 18 January 2022
    DOI: 10.11648/j.jeee.20221001.11
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    Abstract: To clarify the formation mechanism of periodic nanometer-size cavity structure of a borosilicate glass sample, the free electron density around the exit surface was investigated when it exposed to intense femtosecond laser radiation. The electron density near the edge of the crack on the surface was estimated to be 1020-1022 cm-3. From this result,... Show More
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  • Integrated Transformer with Buried Windings in Ferrite Core

    Mahamat Ahmat Taha, Mahamat Hassan Bechir, Ouzer Nabil Adam, Arafat Ousman Bechir, Boukhari Mahamat Issa, Yaya Dagal Dari, David Pietroy, Jean Jacques Rousseau

    Issue: Volume 10, Issue 1, February 2022
    Pages: 10-17
    Received: 15 January 2022
    Accepted: 27 January 2022
    Published: 9 February 2022
    DOI: 10.11648/j.jeee.20221001.12
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    Abstract: In the field of electronics, one of the objectives of current research is to integrate numerous components in increasingly smaller volumes. Reducing the cost of manufacturing components requires integration and collective manufacturing. This paper mainly focuses on the design and the main steps of the micro-fabrication of a transformer with magneti... Show More
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  • Statistical Investigation of the Disturbances Affecting the Power Distribution Networks (HTB/HTA) of a Few Source Substations in South-Benin

    Oswald Gbètondji Acclassato, Mathias Adjimon Houékpohéha, Irénée Vianou Madogni, Hagninou Elagnon Venance Donnou, Etienne Houngninou, Basile Bruno Kounouhéwa

    Issue: Volume 10, Issue 1, February 2022
    Pages: 18-30
    Received: 15 October 2021
    Accepted: 13 November 2021
    Published: 16 February 2022
    DOI: 10.11648/j.jeee.20221001.13
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    Abstract: Power quality is a significant issue that has become increasingly important to both electric power utilities and their customers because of financial losses caused by insufficient. In this work, the Fourier transform (FT) has been exploited for the statistical investigation of the disturbances affecting the electrical distribution networks (HTA) in... Show More
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  • Fiber Fuse Simulation in Double-Clad Fibers for High-Power Fiber Lasers

    Yoshito Shuto

    Issue: Volume 10, Issue 1, February 2022
    Pages: 31-38
    Received: 25 January 2022
    Accepted: 9 February 2022
    Published: 16 February 2022
    DOI: 10.11648/j.jeee.20221001.14
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    Abstract: Rare-earth-doped optical fibers are one of the most promising solid-state lasers. In these fiber lasers, a cladding-pumping scheme using double-clad fibers is utilized to increase the overall conversion efficiency of pumping light. To maintain acceptable beam quality, the low-numerical aperture large-mode-area fibers is effective for the double-cla... Show More
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