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1 November 2011 Magnification of three-dimensional optical image without distortion in dynamic holographic projection
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We propose a simple technique to enlarge the reconstructed three-dimensional (3D) optical image and shorten the reconstructed distance simultaneously in real time holographic projection using a conventional lens or concave reflecting mirror based on the optical reversibility theorem. The main factors causing the longitudinal and transversal distortions of a 3D enlarged optical image are analyzed, and the 3D optical images are enlarged where severe distortions are precompensated by constructing objects with distortions directly instead of computing the precompensated phase iteratively so that it does not increase the computing time. Numerical simulations and optical experiments are performed for magnifying a simple cubic model. The results show that a 3D enlarged optical image is achieved successfully without any distortion and the reconstructed distance is shortened simultaneously. It is believed that this proposed technique is useful for 3D real time holographic projection in the future.
©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
Jia Jia, Yongtian Wang, Juan Liu, Xin Li, and Jinghui Xie "Magnification of three-dimensional optical image without distortion in dynamic holographic projection," Optical Engineering 50(11), 115801 (1 November 2011).
Published: 1 November 2011

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