Holography is an optical technique that records and reconstructs the light wavefront to generate desired images,emerging as a promising candidate for various display applications.The development of holography has been...Holography is an optical technique that records and reconstructs the light wavefront to generate desired images,emerging as a promising candidate for various display applications.The development of holography has been closely associated with computer-generated holography,in which the discretized phase and amplitude distributions of electromagnetic waves are computationally calculated and physically implemented using optical devices such as spatial light modulators and diffractive optical elements.In parallel,a variety of iterative phase retrieval algorithms,most notably the Gerchberg–Saxton(GS)algorithm,have also been studied to improve the fidelity and accuracy of the hologram reconstruction.1,2 Despite these advances,conventional implementations suffer from intrinsic limitations such as undesired higher-order diffraction,low spatial resolution,restricted viewing angles,and system bulkiness.展开更多
基金financially supported by the POSCO-POSTECH-RIST Convergence Research Center program funded by POSCOthe National Research Foundation grant(Grant No.RS-2022-NR067559)funded by the Ministry of Science and ICT(MSIT)of the Korean government.
文摘Holography is an optical technique that records and reconstructs the light wavefront to generate desired images,emerging as a promising candidate for various display applications.The development of holography has been closely associated with computer-generated holography,in which the discretized phase and amplitude distributions of electromagnetic waves are computationally calculated and physically implemented using optical devices such as spatial light modulators and diffractive optical elements.In parallel,a variety of iterative phase retrieval algorithms,most notably the Gerchberg–Saxton(GS)algorithm,have also been studied to improve the fidelity and accuracy of the hologram reconstruction.1,2 Despite these advances,conventional implementations suffer from intrinsic limitations such as undesired higher-order diffraction,low spatial resolution,restricted viewing angles,and system bulkiness.