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Optical performance of coherent and incoherent imaging systems in the presence of ghost images |
Applied Optics, Vol. 51, Issue 30, pp. 7134-7143 (2012)
http://dx.doi.org/10.1364/AO.51.007134
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Abstract
Ghost image analysis is of interest for optical designers as ghost images may degrade image quality in imaging systems. In a previous paper by Abd El-Maksoud and Sasian [Appl. Opt. 50, 2305 (2011)], ghost image analysis for incoherent systems was evaluated using geometrical optics. Some criteria were presented to identify focused ghost images at the nominal image plane. The main goal of this paper is to provide a conceptual understanding of ghost image formation and its impact on the performance of imaging systems using wave theory and Fourier optics. To achieve this goal, a methodology is developed to model ghost images after considering diffraction effects. Expressions for the ghost diffraction point spread function and the ghost transfer function are presented. These functions are used to construct effective point spread and effective transfer functions. To provide insights on the developed theory, some simulation examples are provided and discussed.
© 2012 Optical Society of America
OCIS Codes
(080.2740) Geometric optics : Geometric optical design
(080.3620) Geometric optics : Lens system design
(110.4100) Imaging systems : Modulation transfer function
(110.4280) Imaging systems : Noise in imaging systems
(110.4850) Imaging systems : Optical transfer functions
ToC Category:
Imaging Systems
History
Original Manuscript: July 6, 2012
Manuscript Accepted: September 3, 2012
Published: October 11, 2012
Citation
Rania H. Abd El-Maksoud, Matthias Hillenbrand, Stefan Sinzinger, and Jose Sasian, "Optical performance of coherent and incoherent imaging systems in the presence of ghost images," Appl. Opt. 51, 7134-7143 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-30-7134
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