Computational Biology and Bioinformatics

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Problems of Bad Contrast in Conventional Microscopy Solution and Speckle Elimination with a Laser Fourier Holographic Microscope

Received: 29 October 2016    Accepted: 13 October 2017    Published: 20 November 2017
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Abstract

The problem of bad contrast in conventional microscopy is well-known and was solved in part by colouring the samples. It is shown theoretically that a laser Fourier holographic microscope produces images undisturbed by speckle-noise. A laser holographic microscope (LHM) is investigated experimentally. The instrument uses visible radiation of λ = 0.514 µm, Mach – Zehnder scheme optical setup, and CCD detector of the hologram. Images are reconstructed digitally. The standard slide of Parascaris Univalens Iarva (ascaris) is studied without any drying as for electron microscope. Comparison of the pictures of the same ascaris cell, observed by the LHM and high-quality Nikon conventional optical microscope with immersion oil and green filter indicates dramatically different contrast. The ultrahigh contrast of the LHM gives much more micromorphological information.

DOI 10.11648/j.cbb.20170505.11
Published in Computational Biology and Bioinformatics (Volume 5, Issue 5, October 2017)
Page(s) 57-61
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Speckle-Noise, Fourier Holography, Mach – Zehnder Scheme, CCD Detector, Digital Image Reconstruction

References
[1] M. Born, and E. Wojf, Principles of Optics, Oxford: Pergamon, 1964.
[2] Light Microscopy in Biology. A Practical Approach, Ed. By Alan J. Lacey, Oxford: IRL, 1989.
[3] Biological Science, Ed. By R. Soper B. Sc., F. I. Biol Cambridge: CAMBRIGE, 1984.
[4] B. Alberts, D. Bray, J. Lewis, M. Raff, K. Roberts and J. D. Watson, Molecular Biology of the Cell, New York: Garland, 1989.
[5] J. W. Goodman, Statistical Optics, New York: Wiley, 1985.
[6] D. Gabor, “Laser speckle and its elimination,” I. B. M. Journ. Res. Dev., vol. 14, 1970, pp. 509.
[7] M. Francon, La Granularite Laser (Spekle) et ses Applications en Optique, Paris: Masson, 1978.
[8] B. Ya. Zel’dovich, N. F. Pilipetsky, and V. V. Shkunov, Principles of Phase Conjugation, Berlin: Springer, 1985.
[9] J. B. De Vellis, and G. O. Reynolds, Theory and Application of Holography, Mass: Addison - Wesley, Reading, 1967.
[10] D. Gabor, “A new microscopy principle,” Nature, vol. 161, 1948, pp. 777 - 778.
[11] W. S. Haddad, D. Cullen, J. C. Solem, J. W. Longworth, A. McPherson, K. Boyer, and Ch. K. Rhodes, “Fourier - transform holographic microscope,” Applied Optics, vol. 31, Issue 24, 1992, pp. 4973 - 4978.
[12] J. T. Wintrop, and C. R. Worthington, “X - ray microscopy by successive Fourier transmission,” Physics Letters, vol. 15, 1965, pp. 124.
[13] E. N. Leith, J. U patnieks, and K. Haines, “Microscopy by wavefront reconsruction,” Journal Optical Society of America, vol. 55, 1965, pp. 981.
Author Information
  • Coherent and Nonlinear Optics Department, A. M. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, Russia

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    Vladimir Boris Karpov. (2017). Problems of Bad Contrast in Conventional Microscopy Solution and Speckle Elimination with a Laser Fourier Holographic Microscope. Computational Biology and Bioinformatics, 5(5), 57-61. https://doi.org/10.11648/j.cbb.20170505.11

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    ACS Style

    Vladimir Boris Karpov. Problems of Bad Contrast in Conventional Microscopy Solution and Speckle Elimination with a Laser Fourier Holographic Microscope. Comput. Biol. Bioinform. 2017, 5(5), 57-61. doi: 10.11648/j.cbb.20170505.11

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    AMA Style

    Vladimir Boris Karpov. Problems of Bad Contrast in Conventional Microscopy Solution and Speckle Elimination with a Laser Fourier Holographic Microscope. Comput Biol Bioinform. 2017;5(5):57-61. doi: 10.11648/j.cbb.20170505.11

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  • @article{10.11648/j.cbb.20170505.11,
      author = {Vladimir Boris Karpov},
      title = {Problems of Bad Contrast in Conventional Microscopy Solution and Speckle Elimination with a Laser Fourier Holographic Microscope},
      journal = {Computational Biology and Bioinformatics},
      volume = {5},
      number = {5},
      pages = {57-61},
      doi = {10.11648/j.cbb.20170505.11},
      url = {https://doi.org/10.11648/j.cbb.20170505.11},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.cbb.20170505.11},
      abstract = {The problem of bad contrast in conventional microscopy is well-known and was solved in part by colouring the samples. It is shown theoretically that a laser Fourier holographic microscope produces images undisturbed by speckle-noise. A laser holographic microscope (LHM) is investigated experimentally. The instrument uses visible radiation of λ = 0.514 µm, Mach – Zehnder scheme optical setup, and CCD detector of the hologram. Images are reconstructed digitally. The standard slide of Parascaris Univalens Iarva (ascaris) is studied without any drying as for electron microscope. Comparison of the pictures of the same ascaris cell, observed by the LHM and high-quality Nikon conventional optical microscope with immersion oil and green filter indicates dramatically different contrast. The ultrahigh contrast of the LHM gives much more micromorphological information.},
     year = {2017}
    }
    

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