Chinese Optics Letters, 2017, 15 (2): 020901, Published Online: Jul. 26, 2018
Accurate complex modulation by the iterative spatial cross-modulation method Download: 1474次
Abstract
A method is proposed to realize accurate spatial complex modulation based on the spatial cross-modulation method (SCMM) via a phase-only spatial light modulator. The conventional SCMM cannot achieve high quality reconstruction, especially when the diffusion ratio is small. We propose an iterative algorithm in the calculation of a computer-generated hologram to implement accurate complex modulation. It enables us to generate a high quality reconstruction under a small diffusion ratio. The feasibility of the method is verified by both a numerical simulation and an optical experiment.
Yijun Qi, Chenliang Chang, Jun Xia. Accurate complex modulation by the iterative spatial cross-modulation method[J]. Chinese Optics Letters, 2017, 15(2): 020901.