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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 16 — Aug. 1, 2011
  • pp: 15603–15620

Point spread function and two-point resolution in Fresnel incoherent correlation holography

Petr Bouchal, Josef Kapitán, Radim Chmelík, and Zdeněk Bouchal  »View Author Affiliations

Optics Express, Vol. 19, Issue 16, pp. 15603-15620 (2011)

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Fresnel Incoherent Correlation Holography (FINCH) allows digital reconstruction of incoherently illuminated objects from intensity records acquired by a Spatial Light Modulator (SLM). The article presents wave optics model of FINCH, which allows analytical calculation of the Point Spread Function (PSF) for both the optical and digital part of imaging and takes into account Gaussian aperture for a spatial bounding of light waves. The 3D PSF is used to determine diffraction limits of the lateral and longitudinal size of a point image created in the FINCH set-up. Lateral and longitudinal resolution is investigated both theoretically and experimentally using quantitative measures introduced for two-point imaging. Dependence of the resolving power on the system parameters is studied and optimal geometry of the set-up is designed with regard to the best lateral and longitudinal resolution. Theoretical results are confirmed by experiments in which the light emitting diode (LED) is used as a spatially incoherent source to create object holograms using the SLM.

© 2011 OSA

OCIS Codes
(090.1760) Holography : Computer holography
(090.1970) Holography : Diffractive optics
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:

Original Manuscript: May 16, 2011
Revised Manuscript: July 6, 2011
Manuscript Accepted: July 11, 2011
Published: July 29, 2011

Petr Bouchal, Josef Kapitán, Radim Chmelík, and Zdeněk Bouchal, "Point spread function and two-point resolution in Fresnel incoherent correlation holography," Opt. Express 19, 15603-15620 (2011)

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