Making uniform diffusion boundaries for cascaded holographic diffusers for a large-area application

Byungchoon Yang; Kyungmin Byun; Byoungho Lee

doi:10.1117/12.469272

3 June 2002 Making uniform diffusion boundaries for cascaded holographic diffusers for a large-area application

Byungchoon Yang, Kyungmin Byun, Byoungho Lee

Proceedings Volume 4659, Practical Holography XVI and Holographic Materials VIII; (2002) https://doi.org/10.1117/12.469272
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

When fabricating a large area holographic diffuser by cascading hologram of diffusion patterns with specified are, it was found that a fluctuation of diffraction intensity occurred at the boundaries of the two adjacent exposed areas. It was affirmed experimentally that this problem could be alleviated by controlling the intensity distribution of reference laser beam around the boundary of each exposure area. Using these method, the fluctuation was reduced considerably. For better compensation of the non- uniformity a theoretical analysis for the diffusion process of photopolymer is discussed and compared with the experimental result.

Citation Download Citation

Byungchoon Yang, Kyungmin Byun, and Byoungho Lee "Making uniform diffusion boundaries for cascaded holographic diffusers for a large-area application", Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); https://doi.org/10.1117/12.469272

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