硅空间光调制器上平行排列液晶的二维全斯托克斯表征

IF 4.6 2区物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Results in Physics Pub Date : 2025-09-19 DOI:10.1016/j.rinp.2025.108429

Adriana R. Sánchez-Montes , Adrián Moya , Eva M. Calzado , Francisco J. Martínez-Guardiola , Andrés Márquez , Jorge Francés , Inmaculada Pascual , Augusto Beléndez

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引用次数: 0

摘要

平行对准硅基液晶空间光调制器因其高分辨率和动态相位控制能力而成为先进光学系统的重要组成部分。众所周知，这些器件存在不同的限制，如像素间串扰、相位闪烁和空间不均匀性，这些都阻碍了器件的最佳性能。本文介绍了基于Stokes偏振法的PA-LCoS SLM的全面二维（2D）表征，详细介绍了其工作原理、实验设置，并系统分析了延迟、相位闪烁和LC-director方向随电压（灰度）的变化等关键性能指标。这三个参数的电压相关二维图的可用性是本文的主要成果之一。这些发现为校准和对准协议提供了有价值的见解，突出了对需要高偏振保真度和精确2D性能的应用的潜在影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Two-dimensional full-Stokes characterization of parallel-aligned liquid crystal on silicon spatial light modulators

Parallel-aligned liquid crystal on silicon (PA-LCoS) spatial light modulators (SLMs) are critical components in advanced optical systems due to their high resolution and dynamic phase control. It is well known that these devices present different limitations such as inter-pixel crosstalk, phase flicker, and spatial inhomogeneities that prevent optimal device performance. This article presents a comprehensive Stokes polarimetry-based two-dimensional (2D) characterization of a PA-LCoS SLM, detailing its operational principles, experimental setup, and a systematic analysis of key performance metrics as retardance, phase flicker, and LC-director orientation variations across the display as a function of voltage (gray level). The availability of voltage-dependent 2D maps of these three parameters is one of the main results of this paper. These findings offer valuable insights into calibration and alignment protocols, highlighting potential impacts on applications that require high polarization fidelity and accurate 2D performance.

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来源期刊

Results in Physics MATERIALS SCIENCE, MULTIDISCIPLINARYPHYSIC-PHYSICS, MULTIDISCIPLINARY

CiteScore

8.70

自引率

9.40%

发文量

754

审稿时长

50 days

期刊介绍： Results in Physics is an open access journal offering authors the opportunity to publish in all fundamental and interdisciplinary areas of physics, materials science, and applied physics. Papers of a theoretical, computational, and experimental nature are all welcome. Results in Physics accepts papers that are scientifically sound, technically correct and provide valuable new knowledge to the physics community. Topics such as three-dimensional flow and magnetohydrodynamics are not within the scope of Results in Physics. Results in Physics welcomes three types of papers: 1. Full research papers 2. Microarticles: very short papers, no longer than two pages. They may consist of a single, but well-described piece of information, such as: - Data and/or a plot plus a description - Description of a new method or instrumentation - Negative results - Concept or design study 3. Letters to the Editor: Letters discussing a recent article published in Results in Physics are welcome. These are objective, constructive, or educational critiques of papers published in Results in Physics. Accepted letters will be sent to the author of the original paper for a response. Each letter and response is published together. Letters should be received within 8 weeks of the article''s publication. They should not exceed 750 words of text and 10 references.