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Application of an Automotive Relay as Optical Beam Shutter

  • Conference paper
  • First Online:
IX Latin American Congress on Biomedical Engineering and XXVIII Brazilian Congress on Biomedical Engineering (CLAIB 2022, CBEB 2022)

Part of the book series: IFMBE Proceedings ((IFMBE,volume 98))

  • 64 Accesses

Abstract

Laser beam modulation is often required in many applications. Continuous wave (cw) gas lasers can be modulated only with devices external to the resonant laser cavity. Beam modulation can be achieved with several types of instruments like rotating wheel choppers, rotating blade shutters and electromagnetically actuated iris. In this work, an automotive relay model DNI0102 was modified to operate as an optical beam shutter. The electrical and optical characterization of the modified device are presented. The intrinsic resistance and inductance of the relay coil was measured as 80 \(\Omega \) and 117.1 mH, respectively. The switching time obtained with the use of a 0.65 mm helium-neon gas laser beam was approx. 250 \({\upmu }{\text {s}}\). The DNI0102 relay electrical characterization must substantiate and enforce future discussions about the relation between coil inductance and relay’s switching time performance as shutters devices. In conclusion, the built device showed a fast switching speed that fits the demands of mostly experimental applications.

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Acknowledgements

This study was financed in part by the Coordenačão de Aperfeičoamento de Pessoal de Nível Superior - Brasil (CAPES) - Finance Code 001.

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Authors and Affiliations

  1. Biomedical Engineering Center, Anhembi Morumbi University (UAM), Estrada Doutor Altino Bondensan, 500, Eugênio de Mello, São José dos Campos, São Paulo, Brazil

    F. T. C. S. Balbina, F. J. H. Moraes & E. Munin

  2. Center for Innovation, Technology and Education (CITE), São José dos Campos, São Paulo, Brazil

    F. T. C. S. Balbina, F. J. H. Moraes & E. Munin

Authors
  1. F. T. C. S. Balbina
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  2. F. J. H. Moraes
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  3. E. Munin
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Corresponding author

Correspondence to F. T. C. S. Balbina .

Editor information

Editors and Affiliations

  1. Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis, Brazil

    Jefferson Luiz Brum Marques

  2. Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis, Brazil

    Cesar Ramos Rodrigues

  3. Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis, Brazil

    Daniela Ota Hisayasu Suzuki

  4. Institute of Biomedical Engineering, Federal University of Santa Catarina, Florianópolis, Brazil

    José Marino Neto

  5. Institute of Biomedical Engineering, Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis, Brazil

    Renato García Ojeda

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Balbina, F.T.C.S., Moraes, F.J.H., Munin, E. (2024). Application of an Automotive Relay as Optical Beam Shutter. In: Marques, J.L.B., Rodrigues, C.R., Suzuki, D.O.H., Marino Neto, J., García Ojeda, R. (eds) IX Latin American Congress on Biomedical Engineering and XXVIII Brazilian Congress on Biomedical Engineering. CLAIB CBEB 2022 2022. IFMBE Proceedings, vol 98. Springer, Cham. https://doi.org/10.1007/978-3-031-49401-7_51

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  • DOI: https://doi.org/10.1007/978-3-031-49401-7_51

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-49400-0

  • Online ISBN: 978-3-031-49401-7

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