CUED Publications database

Optimal quantization for amplitude and phase in computer-generated holography

He, Z and Sui, X and Jin, G and Chu, D and Cao, L (2021) Optimal quantization for amplitude and phase in computer-generated holography. Optics Express, 29. pp. 119-133.

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Abstract

© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Owing to the characteristics of existing spatial light modulators (SLMs), the computergenerated hologram (CGH) with continuous complex-amplitude is conventionally converted to a quantized amplitude-only or phase-only CGH in practical applications. The quantization of CGH significantly affects the holographic reconstruction quality. In thiswork, we evaluated the influence of the quantization for both amplitude and phase on the quality of holographic reconstructions by traversing method. Furthermore, we considered several critical CGH parameters, including resolution, zero-padding size, reconstruction distance, wavelength, random phase, pixel pitch, bit depth, phase modulation deviation, and filling factor. Based on evaluations, the optimal quantization for both available and future SLM devices is suggested.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Cron Job
Date Deposited: 22 Dec 2020 05:34
Last Modified: 25 Feb 2021 05:51
DOI: 10.1364/OE.414160