11 November 2014 Automatic angular-spectrum filtering algorithm in dual-wavelength digital holography
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Abstract
An automatic angular-spectrum filtering for the phase reconstruction of dual-wavelength digital holograms in a common-path configuration is presented. The major procedure of this automatic angular-spectrum filtering consists of excluding the zero-order region of Fourier spectrums and locating the center of order +1 region of the angular spectrums for two individual wavelengths. The phase map of the object is retrieved with the automatic angular spectrum-filtering algorithm in dual-wavelength digital holographic system, which demonstrates that the automatic angular spectrum-filtering algorithm is feasible and effective. It provides an efficient solution for angular-spectrum filtering in real time dual wavelength digital holographic microscopy.
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Zhe Wang, Zhe Wang, Zhuqing Jiang, Zhuqing Jiang, Yifei Chen, Yifei Chen, Yuhong Wan, Yuhong Wan, "Automatic angular-spectrum filtering algorithm in dual-wavelength digital holography", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 927111 (11 November 2014); doi: 10.1117/12.2071779; https://doi.org/10.1117/12.2071779
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