Analysis on the presence of out-of-plane LC components on PA-LCoS devices due to crosstalk and fringing fields

Adriana R. Sánchez-Montes; Guillem Nájar; Adrián Moya; Emilio J. Mena; Jorge Francés; Andrés Márquez; Augusto Beléndez

doi:10.1117/12.3016658

18 June 2024 Analysis on the presence of out-of-plane LC components on PA-LCoS devices due to crosstalk and fringing fields

Adriana R. Sánchez-Montes, Guillem Nájar, Adrián Moya, Emilio J. Mena, Jorge Francés, Andrés Márquez, Augusto Beléndez

Author Affiliations +

Proceedings Volume 13015, Photosensitive Materials and their Applications III; 130150Y (2024) https://doi.org/10.1117/12.3016658
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

It is well known that Spatial Light Modulators (SLM) are of great interest and used in many different areas because of their continuous capability of light modulation and their potential as a linear variable retarder. However, high-definition SLM devices face the challenge of providing high performance under the influence of different phenomena, such as crosstalk between adjacent pixels, fringing fields, and diffraction effects arising from the finite pixel grid pattern. In this work, a numerical analysis that computes the director orientation as a function of the retardance across specific voltages (gray level) is compared to experimental results. More specifically, this work is focused on analysing how previously mentioned phenomena affect the interpretation of the residual twist angle in parallel-aligned (PA) on SLM. This twist angle is computed from the Stokes parameter and compared to the actual orientation of the director distribution.

Conference Presentation

Citation Download Citation

Adriana R. Sánchez-Montes, Guillem Nájar, Adrián Moya, Emilio J. Mena, Jorge Francés, Andrés Márquez, and Augusto Beléndez "Analysis on the presence of out-of-plane LC components on PA-LCoS devices due to crosstalk and fringing fields", Proc. SPIE 13015, Photosensitive Materials and their Applications III, 130150Y (18 June 2024); https://doi.org/10.1117/12.3016658

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