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The influence of hologram aperture on speckle noise in the reconstructed image of digital holography and its reduction

โœ Scribed by Xiao-ou Cai; Hui Wang


Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
854 KB
Volume
281
Category
Article
ISSN
0030-4018

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It is experimentally demonstrated that the image resolution from an in-line Fraunhofer hologram degrades appreciably when the centre of the diffraction pattern from a 5-bar resolution target is located asymmetrically in the hologram aperture. This effect is confirmed and analysed using calculated an