The basic properties of holographic polarization variable line-space grating

Fangfang Chen; Jihong Zheng

doi:10.1117/12.3028073

30 September 2024 The basic properties of holographic polarization variable line-space grating

Fangfang Chen, Jihong Zheng

Proceedings Volume 13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII; 131400B (2024) https://doi.org/10.1117/12.3028073
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

Holographic elements fabricated based on photoalignment technology have advantages such as polarization sensitivity, high diffraction efficiency and small volume. Their applications range is becoming increasingly widespread. A liquid crystal (LC) holographic polarization variable line-space (H-PVLS) grating is fabricated in this paper. H-PVLS was analyzed from the perspective of microstructure and macroscopic properties. The microstructure at different positions of H-PVLS indicates the variable spacing properties of the fabricated holographic elements. Spectral analysis indicates that the variable spacing properties of H-PVLS results in a larger wavelength bandwidth compared to PVG under the same conditions. The anomalous dispersion properties of the fabricated components were also measured. These results of photoalignment-based H-PVLS grating provide valuable enlightenment to the development of near-eye displays and have the potential to improve the visual experiences.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Fangfang Chen and Jihong Zheng "The basic properties of holographic polarization variable line-space grating", Proc. SPIE 13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII, 131400B (30 September 2024); https://doi.org/10.1117/12.3028073

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