In order to realize the holographic display by a 2D image and to suppress speckle noise of reconstructed images, Fresnel kinoform is calculated by adding the phase information, which is obtained based on the gray curve of a 2D image by computing a polynomial equation into initial phase factor of a complex object. A vivid holographic reconstructed projection image with real phase information can be observed with naked eye.

© 2018 The Author(s)

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