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http://dx.doi.org/10.3807/JOSK.2015.19.1.022

Improving Phase Contrast of Digital Holographic Microscope using Spatial Light Modulator  

Le, Thanh Bang (School of Electrical Engineering and Computer Science, Chungbuk National University)
Piao, Meilan (School of Electrical Engineering and Computer Science, Chungbuk National University)
Jeong, Jong-Rae (Department of Information and Communication, Suwon Science College)
Jeon, Seok-Hee (Department of Electronics Engineering, Incheon National University)
Kim, Nam (School of Electrical Engineering and Computer Science, Chungbuk National University)
Publication Information
Journal of the Optical Society of Korea / v.19, no.1, 2015 , pp. 22-28 More about this Journal
Abstract
We propose a new method for improving the phase contrast of a multiphase digital holographic microscope using a spatial light modulator (SLM). Using the SLM as the annulus, our method improves the light contrast of the object edge to achieve higher accuracy. We demonstrate a digital holographic microscopy technique that provides a 30% improvement in the phase contrast compared to conventional microscopy, which utilizes a mechanical annulus. The phase-contrast improvement allows the 3D reconstructed hologram to be determined more precisely.
Keywords
Digital holography; Microscopy; Phase-shifting interferometry;
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Times Cited By KSCI : 1  (Citation Analysis)
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