A new method for acquiring the complex hologram in optical scanning holography

Meijuan Zhu; Enwen Dai; Liren Liu; Jianfeng Sun; Yapeng Wu; Yu Zhou; Aimin Yan; Yanan Zhi

doi:10.1117/12.892448

22 September 2011 A new method for acquiring the complex hologram in optical scanning holography

Meijuan Zhu, Enwen Dai, Liren Liu, Jianfeng Sun, Yapeng Wu, Yu Zhou, Aimin Yan, Yanan Zhi

Proceedings Volume 8134, Optics and Photonics for Information Processing V; 81340R (2011) https://doi.org/10.1117/12.892448
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

In this paper, we propose a new method that can acquire the complex hologram of a 3D object for optical scanning holography (OSH) by using polarized optical elements and a 90 degrees 2×4 optical hybrid. The 3D object is scanned by a wave front combined by a plane and spherical wave with orthogonal polarization. The transmitted/reflected signal light is divided into two beams by a polarized beamsplitter (PBS). Then after the polarization control, the two separated beams are heterodyne detected by a 90 degrees 2×4 optical hybrid with two balanced detectors. The 3D object can be reconstructed from the complex hologram acquired from the balanced detectors. Compared with the conventional OSH, the acousto-optic modulator and complex electronic system are not needed in this method. Another advantage of this method lies in its high efficiency since there is almost no energy loss in the generation of the scanning beam by using the polarized optical elements. This method should be used for 3D holographic microscopy and 3D holographic television.

Citation Download Citation

Meijuan Zhu, Enwen Dai, Liren Liu, Jianfeng Sun, Yapeng Wu, Yu Zhou, Aimin Yan, and Yanan Zhi "A new method for acquiring the complex hologram in optical scanning holography", Proc. SPIE 8134, Optics and Photonics for Information Processing V, 81340R (22 September 2011); https://doi.org/10.1117/12.892448

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