Optical and Quantum Electronics

, Volume 8, Issue 6, pp 523–529

Velocity measurement of a diffuse object by using time-varying speckles

  • Junji Ohtsubo
  • Toshimitsu Asakura
Papers

Abstract

The relation between the velocity of a moving diffuse object and the mean number of integrated speckles in the certain time interval at the far-field plane of the object is obtained. By using this relation based on the first order statistics of integrated speckles, a new method of measuring the velocity of the diffuse object is proposed and experimentally verified. The first order probability density function of time-integrated speckles is also studied from which the validity of the present method is verified.

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References

  1. 1.
    J. W. Goodman,Proc. IEEE 53 (1965) 1688.Google Scholar
  2. 2.
    J. C. Dainty,Opt. Acta 17 (1970) 761.Google Scholar
  3. 3.
    J. C. Dainty,Opt. Acta 18 (1971) 327.Google Scholar
  4. 4.
    R. Barakat,Opt. Acta 20 (1973) 729.Google Scholar
  5. 5.
    A. A. Scribot,Opt. Commun. 11 (1974) 238.Google Scholar
  6. 6.
    N. Takai,Bull. Facul. Eng. Hokkaido Univ. 79 (1976) 123.Google Scholar
  7. 7.
    T. S. Mckechnie,Opt. Commun. 13 (1975) 35.Google Scholar
  8. 8.
    H. Fujii andT. Asakura,Opt. Commun. 11 (1974) 35.Google Scholar
  9. 9.
    J. C. Dainty (editor), Laser Speckles and Related Phenomena, Springer-Verlag, Berlin (1975).Google Scholar
  10. 10.
    J. Ohtsubo, H. Fujii andT. Asakura,Japan J. Appl. Phys. Suppl. 14-1 (1975) 293.Google Scholar
  11. 11.
    H. Fujii, T. Asakura andY. Shindo,Opt. Commun. 16 (1976) 68.Google Scholar
  12. 12.
    G. Stavis,Instrum. Control Syst. 39 (1966) 99.Google Scholar
  13. 13.
    I. Yamaguchi, S. Komatsu andH. Saito,Japan J. Appl. Phys. Suppl. 14-1 (1975) 301.Google Scholar
  14. 14.
    H. Ogiwara andH. Ukita,Japan J. Appl. Phys. Suppl. 14-1 (1975) 307.Google Scholar
  15. 15.
    E. Jakeman, C. J. Oliver andE. R. Pike,J. Phys. A 1 (1968) 406.Google Scholar
  16. 16.
    E. Jakeman,J. Phys. A 8 (1975) L23.Google Scholar
  17. 17.
    C. L. Mehta,Progress in Optics, Vol. 8, edited by E. Wolf (North-Holland, Amsterdam, 1970) pp. 373–440.Google Scholar
  18. 18.
    E. Jakeman andE. R. Pike,J. Phys. A 1 (1968) 128.Google Scholar
  19. 19.
    M. L. Mehta andC. L. Mehta,J. Opt. Soc. Am. 63 (1973) 826.Google Scholar
  20. 20.
    G. Parry,Opt. Quant. Elect. 7 (1975) 311.Google Scholar

Copyright information

© Chapman and Hall Ltd. 1976

Authors and Affiliations

  • Junji Ohtsubo
    • 1
  • Toshimitsu Asakura
    • 1
  1. 1.Research Institute of Applied ElectricityHokkaido UniversityHokkaidoJapan

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