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Transmission Laser Beam Control Techniques for Active Free Space Optics Systems

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E-Business and Telecommunications (ICETE 2014)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 554))

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Abstract

This paper describes the laser beam alignment techniques for free space optical communication. Bilateral laser transmission system is designed between two active free-space-optical terminals, which are equipped with galvanic scanners, E/O and O/E converters and are able to control laser beam discharging directions. Two alignment strategies are proposed with regard to the transient and steady state of optical signal transmission. Search method for initial alignment is established based on the Gaussian beam optics, and a tracking control system is constructed for laser beam to maintain stable telecommunication between roaming transmission equipments. Experiments reveal that the proposed techniques enable the transmission laser beam to locate the target receiver accurately and to pursue the unstable transmission apparatus, and that the communication quality is as high as optical fiber network.

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Acknowledgements

This work was partially supported by Strategic Information and Communications R&D Promotion Program (SCOPE) of Ministry of Internal Affairs and Communications, Japan.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Graduate School of Science and Engineering, Saga University, Saga, Japan

    Takeshi Tsujimura & Kiyotaka Izumi

  2. Department of Information and Systems Engineering, Fukuoka Institute of Technology, Fukuoka, Japan

    Koichi Yoshida

Authors
  1. Takeshi Tsujimura
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  2. Kiyotaka Izumi
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  3. Koichi Yoshida
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Corresponding author

Correspondence to Takeshi Tsujimura .

Editor information

Editors and Affiliations

  1. Rose Hill and Lincoln Center Campuses, Fordham University, Bronx, New York, USA

    Mohammad S. Obaidat

  2. Medical Informatis, Statistics, Document, Medical University Graz, Graz, Austria

    Andreas Holzinger

  3. INSTICC, Polytechnic Institute of Setúbal, Setúbal, Portugal

    Joaquim Filipe

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Tsujimura, T., Izumi, K., Yoshida, K. (2015). Transmission Laser Beam Control Techniques for Active Free Space Optics Systems. In: Obaidat, M., Holzinger, A., Filipe, J. (eds) E-Business and Telecommunications. ICETE 2014. Communications in Computer and Information Science, vol 554. Springer, Cham. https://doi.org/10.1007/978-3-319-25915-4_10

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  • DOI: https://doi.org/10.1007/978-3-319-25915-4_10

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-25914-7

  • Online ISBN: 978-3-319-25915-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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