Integrated diffusion using an acousto-optic modulator for 3D image enhancement

Donghyun Kim

doi:10.1117/12.521557

25 June 2004 Integrated diffusion using an acousto-optic modulator for 3D image enhancement

Donghyun Kim

Proceedings Volume 5363, Emerging Optoelectronic Applications; (2004) https://doi.org/10.1117/12.521557
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

An electro-holographic display based on the diffraction specific computation can reduce speckle using electronic diffusion through selective addition of pseudorandom sequence. Intensity fluctuation due to the introduction of pseudorandom noise does not affect 3-D images significantly since spatial windows formed by diffused basis phase sets do not widen noticeably at low spread of the pseudorandom sequence while its features are much smaller than human visual resolution. The result shows crosstalk blur characteristic of substantial variation in the degree of diffusion among basis phase sets. Also, coherent artifacts may be produced by the interference between spatial windows if basis phase sets are sub-optimally designed.

Citation Download Citation

Donghyun Kim "Integrated diffusion using an acousto-optic modulator for 3D image enhancement", Proc. SPIE 5363, Emerging Optoelectronic Applications, (25 June 2004); https://doi.org/10.1117/12.521557

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