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1 October 2024 Diffraction efficiency of holographic data storage
Yeh-Wei Yu, Chih-Yuan Cheng, Tsung-Hsun Yang, Ching-Cherng Sun
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Proceedings Volume PC13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII; PC1314008 (2024) https://doi.org/10.1117/12.3027886
Event: Optical Engineering + Applications, 2024, San Diego, California, United States
Abstract
Conventional calculation of performance based on M/# assumes the diffraction efficiency as a simple function of the material thickness. It ignores the three-dimensional distribution of refractive index, which contributes to different diffraction efficiency, and always leads to over-evaluation of the storage capacity. Therefore, we proposed an efficiency coefficient to calculate the diffraction efficiency per refractive index consumption.
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Yeh-Wei Yu, Chih-Yuan Cheng, Tsung-Hsun Yang, and Ching-Cherng Sun "Diffraction efficiency of holographic data storage", Proc. SPIE PC13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII, PC1314008 (1 October 2024); https://doi.org/10.1117/12.3027886
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KEYWORDS
Diffraction
Data storage
Holography
Refractive index
Signal intensity
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