Triplicator phase grating implementation in pixelated displays

Shang Gao; María del Mar Sánchez-López; Ignacio Moreno

doi:10.1117/12.2687312

27 November 2023 Triplicator phase grating implementation in pixelated displays

Shang Gao, María del Mar Sánchez-López, Ignacio Moreno

Proceedings Volume 12768, Holography, Diffractive Optics, and Applications XIII; 127681G (2023) https://doi.org/10.1117/12.2687312
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

Various methods for implementing triplicator diffraction gratings in a pixelated liquid-crystal display (LC-SLM) are discussed. The optimum design features a continuous phase profile. We analyze the limits imposed by the quantization inherent to the LC-SLM when a low number of pixels per period is required, that affect the performance of the displayed triplicator gratings. The binary-phase grating with proper phase shift proves to be a simple alternative with good diffraction efficiency. Also, a random approach provides a triplicator with less efficiency but free of higher harmonics.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Shang Gao, María del Mar Sánchez-López, and Ignacio Moreno "Triplicator phase grating implementation in pixelated displays", Proc. SPIE 12768, Holography, Diffractive Optics, and Applications XIII, 127681G (27 November 2023); https://doi.org/10.1117/12.2687312

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