| Summary: | 碩士 === 國立臺灣師範大學 === 光電科技研究所 === 99 === In this study, we investigate the characteristics of off-axis digital holographic microscope system (DHM) and discuss the influence of various parameters on this system. First, we study the present situation and the development of digital holographic microscopy, and we know the measurement capability of digital holographic microscopy more accurate. In the reconstruction process will be combined with filtering to enhance image contrast, and the filter range is related to the objective in this system. The phase of the samples will be measured and to obtain the three-dimensional profile by phase unwrapping techniques. Using numerical reconstruction calculation to get a clear reconstructed image, and to expanded the depth of focus. The result by the EDOF DHM and atomic force microscopy (AFM) are compared. Finally, we will show the specifications of Digital Holographic Microscope system, and the analytical and experimental results are presented and discussed.
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