Paraxial ghost image analysis

Rania H. Abd El-Maksoud; José M. Sasian

doi:10.1117/12.828564

21 August 2009 Paraxial ghost image analysis

Proceedings Volume 7428, Current Developments in Lens Design and Optical Engineering X; 742807 (2009) https://doi.org/10.1117/12.828564
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

This paper develops a methodology to model ghost images that are formed by two reflections between the surfaces of a multi-element lens system in the paraxial regime. An algorithm is presented to generate the ghost layouts from the nominal layout. For each possible ghost layout, paraxial ray tracing is performed to determine the ghost Gaussian cardinal points, the size of the ghost image at the nominal image plane, the location and diameter of the ghost entrance and exit pupils, and the location and diameter for the ghost entrance and exit windows. The paraxial ghost irradiance point spread function is obtained by adding up the irradiance contributions for all ghosts. Ghost simulation results for a simple lens system are provided. This approach provides a quick way to analyze ghost images in the paraxial regime.

Citation Download Citation

Rania H. Abd El-Maksoud and José M. Sasian "Paraxial ghost image analysis", Proc. SPIE 7428, Current Developments in Lens Design and Optical Engineering X, 742807 (21 August 2009); https://doi.org/10.1117/12.828564

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