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      • Faculty of Engineering
      • Department of Electrical and Electronics Engineering
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      Computation of holographic patterns between tilted planes

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      Author
      Esmer, Gökhan Bora
      Onural, Levent
      Date
      2006-05
      Source Title
      Proceedings of SPIE
      Print ISSN
      0277-786X
      Publisher
      SPIE - International Society for Optical Engineering
      Pages
      62521K/1 - 62521K/6
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      Computation of the diffraction pattern that gives the desired reconstruction of an object upon proper illumination is an important process in computer generated holography. A fast computational method, based on the plane wave decomposition of 3D field in free-space, is presented to find the desired diffraction pattern. The computational burden includes two FFT algorithms in addition to a shuffling of the frequency components that needs an interpolation in the frequency domain. The algorithm is based on the exact diffraction formulation; there is no need for Fresnel or Fraunhofer approximations. The developed model is utilized to calculate the scalar optical diffraction between tilted planes for monochromatic light. The performance of the presented algorithm is satisfactory for tilt angles up to 60°.
      Keywords
      Digital holography
      Plane wave decomposition
      Digital holography
      Monochromatic light
      Plane wave decomposition
      Algorithms
      Approximation theory
      Computational methods
      Diffraction
      Image reconstruction
      Interpolation
      Holography
      Permalink
      http://hdl.handle.net/11693/27223
      Published Version (Please cite this version)
      http://dx.doi.org/10.1117/12.677162
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      • Department of Electrical and Electronics Engineering 3524
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