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5 May 2010 Wavefront error analysis and compensation in a digital holographic microscope
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Digital holography (DH) has a big advantage to retrieve the three-dimensional (3D) information of the object from only one interference recording. Especially, the digital holographic microscope (DHM) using a microscope objective (MO) has been researched for 3D microscopy. The researches have progressed for compensation of aberrations and improvement of the resolution in the optical system in recent years. Most of small aberrations caused by a MO are compensated through various researches. However, the measured phase is distorted in the optical system, which has the significant wavefront deformation in illuminating wave larger than number of wavelengths. In this paper, the relation between illuminating wave and the reconstructed phase is studied based on the wave optics and the analysis is confirmed by the simulations. The analysis of the wavefront compensation is applied to a super-resolution DHM in theory and the technique for retrieving the distribution of the intensity and phase is demonstrated in simulation.
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Moonseok Kim, Sukjoon Hong, Kwangsup Soh, Sanghoon Shin, Jung-Young Son, Jaesung Lee, and Jaisoon Kim "Wavefront error analysis and compensation in a digital holographic microscope", Proc. SPIE 7690, Three-Dimensional Imaging, Visualization, and Display 2010 and Display Technologies and Applications for Defense, Security, and Avionics IV, 76900G (5 May 2010);

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