Dual reference beam digital off-axis holography for exact suppression of zero-order term and twin image without spectrum loss

• Autorzy: Wang M. , Wang K. , Zheng M. , Li F. , Wu J.

Identyfikatory

DOI

10.5277/oa170309

• Języki publikacji: EN

Abstrakty

EN

In this paper, we describe an effective approach to suppressing zero-order term and twin image by using pixel-by-pixel multiplication of double holograms in digital off-axis holography. This method records two holograms, respectively, by using the reference waves in different directions. It shows not only a simpler algorithm and easier implementation in experiment, but also exact and complete suppression of the zero-order term and twin image without any spectrum loss of the object in the image reconstruction, particularly when the image and the zero-order term are fairly close to each other. The experimental result approves of the theoretical prediction very well. This approach provides an effective solution to suppressing undesired noises in the digital off-axis holography.

Słowa kluczowe

EN

noise suppression; pixel-by-pixel multiplication; digital off-axis holography

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2017
• Tom: Vol. 47, nr 3
• Strony: 435--443
• Opis fizyczny: Bibliogr. 10 poz., rys.

Twórcy

autor

Wang M.

• Department of Applied Physics, Beihang University, 37 Xueyuan Road, Beijing 100191, China

autor

Wang K.

• Department of Applied Physics, Beihang University, 37 Xueyuan Road, Beijing 100191, China

autor

Zheng M.

• Department of Applied Physics, Beihang University, 37 Xueyuan Road, Beijing 100191, China

autor

Li F.

• Department of Applied Physics, Beihang University, 37 Xueyuan Road, Beijing 100191, China

autor

Wu J.

• Department of Applied Physics, Beihang University, 37 Xueyuan Road, Beijing 100191, China

Bibliografia

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