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http://dx.doi.org/10.3807/KJOP.2005.16.2.128

Correction of image distortion of CGH with a large diffraction angle  

Lee, Jai-Cheol (School of Electrical Engineering and Information Technology, Wonkwang University)
Oh, Yong-Ho (School of Electrical Engineering and Information Technology, Wonkwang University)
Go, Chun-Soo (Division of Natural Sciences, Wonkwang University)
Publication Information
Korean Journal of Optics and Photonics / v.16, no.2, 2005 , pp. 128-132 More about this Journal
Abstract
Most CGH programs use a model equation based on the diffraction angle. Therefore, if the diffraction angle is large enough, the image on a flat screen is distorted. To correct the distortion, we created the model equation from diffraction theory and verified it through experiment. We also suggest a design method that compensates for the distortion without changing the CGH program.
Keywords
Hologram; Computer Generated Hologram; Diffractive Optical Element;
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