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Scanners with Risley Prisms: Modelling with Mechanical Design Programs

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Book cover The 11th IFToMM International Symposium on Science of Mechanisms and Machines

Part of the book series: Mechanisms and Machine Science ((Mechan. Machine Science,volume 18))

Abstract

Opto-mechanical scanners with Risley prisms (double optical wedges) are one of the most used scanning systems for applications that range from micro-mechanical endoscope probes to large optics for satellite positioning. The paper presents an exact modelling of the scan patterns produced using such systems, in a dedicated program for mechanical design—CATIA V5R20. This approach utilizes the characteristic parameters of scanners with Risley prisms: the ratio of the rotation velocities of the two wedges M = ω 2/ω 1 and the ratio of their apex k = θ 2/θ 1. The advantages of this method with regard to analytical solutions and with regard to approximate methods are pointed out. The similarities of this exact modelling of this type of scanners with the theory of mechanisms are highlighted. An experimental part validates the theoretical results. Driving solutions at the precision level required by these devices are presented.

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Acknowledgments

This work was supported by a grant of the Romanian National Authority for Scientific Research, CNDI–UEFISCDI project number PN-II-PT-PCCA-2011-3.2-1682.

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Authors and Affiliations

  1. Aurel Vlaicu University of Arad, Arad, Romania

    A. Schitea, I. Kaposta, M. Tuef & V.-F. Duma

  2. S.C. OK Tehnic Consult S.R.L, Arad, Romania

    S.-C. Jurca

Authors
  1. A. Schitea
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  2. I. Kaposta
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  3. M. Tuef
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  4. S.-C. Jurca
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  5. V.-F. Duma
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Corresponding author

Correspondence to V.-F. Duma .

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Editors and Affiliations

  1. Product Design, Mechatronics and Environment, Transilvania University of Brasov, Brasov, Romania

    Ion Visa

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© 2014 Springer International Publishing Switzerland

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Schitea, A., Kaposta, I., Tuef, M., Jurca, SC., Duma, VF. (2014). Scanners with Risley Prisms: Modelling with Mechanical Design Programs. In: Visa, I. (eds) The 11th IFToMM International Symposium on Science of Mechanisms and Machines. Mechanisms and Machine Science, vol 18. Springer, Cham. https://doi.org/10.1007/978-3-319-01845-4_45

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  • DOI: https://doi.org/10.1007/978-3-319-01845-4_45

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-01844-7

  • Online ISBN: 978-3-319-01845-4

  • eBook Packages: EngineeringEngineering (R0)

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