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http://dx.doi.org/10.3807/KJOP.2006.17.4.323

Zero-Order Suppression by Scanning Method in Digital Holographic Microscope  

Cho, Hyung-Jun (Department of Physics, Cheju National University)
Kim, Doo-Chul (Department of Physics, Cheju National University)
Yu, Young-Hun (Department of Physics, Cheju National University)
Shin, Sang-Hoon (AP & Tec)
Publication Information
Korean Journal of Optics and Photonics / v.17, no.4, 2006 , pp. 323-328 More about this Journal
Abstract
A fundamental problem in digital holography is the presence of zero-order noise in the reconstruction process, which decreases the signal to noise ratio(SNR). For many applications, that reduction of SNR makes digital holography impractical, so a great number of approaches have been tested in order to overcome such a problem. In this paper we use the scanning method to suppress the zero-order diffraction noise and the interference noise between object beams. We demonstrate that it is possible to increase the image quality with the scanning method.
Keywords
Holography; Computer holography; Image reconstruction techniques;
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