Polarization-multiplexing imaging for phase-only object in dual-wavelength digital holography

Yifei Chen; Zhe Wang; Zhuqing Jiang; Yunxin Wang; Lu Rong

doi:10.1117/12.2071762

11 November 2014 Polarization-multiplexing imaging for phase-only object in dual-wavelength digital holography

Yifei Chen, Zhe Wang, Zhuqing Jiang, Yunxin Wang, Lu Rong

Proceedings Volume 9271, Holography, Diffractive Optics, and Applications VI; 92712E (2014) https://doi.org/10.1117/12.2071762
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

A polarization-multiplexing off-axis dual-wavelength digital holography is presented. The structure of a groove grating is measured by using the polarization-multiplexing dual-wavelength digital holographic system with a co-path optical configuration. Two holograms of the grating is recorded at the wavelengths 671nm and 656nm by using a pair of CCDs, and then their two phase maps are reconstructed by numerical simulation of diffraction process of the holograms, respectively. The synthetic phase image is obtained by subtracting two phase images directly. Thus, the unwrapping phase map of the grating is achieved by using the polarization-multiplexing dual-wavelength digital holography in the off-axis optical setup.

Citation Download Citation

Yifei Chen, Zhe Wang, Zhuqing Jiang, Yunxin Wang, and Lu Rong "Polarization-multiplexing imaging for phase-only object in dual-wavelength digital holography", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 92712E (11 November 2014); https://doi.org/10.1117/12.2071762

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