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Proceedings Article

Digital inline holography of biological specimens

[+] Author Affiliations
James P. Ryle, Unnikrishnan Gopinathan, Susan McDonnell, John T. Sheridan

Univ. College Dublin (Ireland)

Thomas J. Naughton

National Univ. of Ireland, Maynooth (Ireland)

Proc. SPIE 6311, Optical Information Systems IV, 63110C (August 30, 2006); doi:10.1117/12.680798
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From Conference Volume 6311

  • Optical Information Systems IV
  • Bahram Javidi; Demetri Psaltis; H. John Caulfield
  • San Diego, California, USA | August 13, 2006


Digital Holography is the technique of numerically reconstructing a three-dimensional (3D) image containing both amplitude and phase information from a two dimensional (2D) interference pattern recorded by the CCD. In this paper, we study the effects of varying the coherence length by using light from two types of source's (1) coherent laser light and (2) spatially filtered incoherent light from a Light Emitting Diode (LED). We present results using both calibrated test objects and biological samples with view to developing a 3D object recognition and classification system.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

James P. Ryle ; Unnikrishnan Gopinathan ; Susan McDonnell ; Thomas J. Naughton and John T. Sheridan
"Digital inline holography of biological specimens", Proc. SPIE 6311, Optical Information Systems IV, 63110C (August 30, 2006); doi:10.1117/12.680798; http://dx.doi.org/10.1117/12.680798

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