Top illuminator design for 2-D parallel readout in a 3-D multilayer optical data storage system

Wenyi Feng, Edwin P. Walker, Haichuan Zhang, Yi Zhang, Alexander S. Dvornikov, Sadik Esener

Research output: Contribution to journal › Conference article

Abstract

To achieve very high data rates in 3-D multilayer optical data storage systems, a novel approach is investigated to read out in parallel multiple tracks at different layers simultaneously. Data bits at different layers are arranged as titled data pages inside the disk. A uniform optical beam sheet is generated to illuminate the desired data page from the top of the disk, and a depth transfer imaging system is used to collect the fluorescence of the written bits within the data page to a detector array. The performance of the illumination optics has been experimentally evaluated and optimized by aberration compensation and equalization of irradiance distribution on the entire data page. Other important factors including reflection loss, sensitivity to disk quality, and servo requirements of disk wobbling are analyzed.

Original language	English (US)
Pages (from-to)	334-343
Number of pages	10
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4459
DOIs	https://doi.org/10.1117/12.454038
State	Published - Dec 1 2001
Externally published	Yes
Event	Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applicationsn VII, and Optical Data Storage - San Diego, CA, United States Duration: Jul 29 2001 → Jul 31 2001

Keywords

Illumination optics
Multilayer data storage
Parallel readout
Two-photon

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.454038

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Cite this

Feng, W., Walker, E. P., Zhang, H., Zhang, Y., Dvornikov, A. S., & Esener, S. (2001). Top illuminator design for 2-D parallel readout in a 3-D multilayer optical data storage system. Proceedings of SPIE - The International Society for Optical Engineering, 4459, 334-343. https://doi.org/10.1117/12.454038

Top illuminator design for 2-D parallel readout in a 3-D multilayer optical data storage system. / Feng, Wenyi; Walker, Edwin P.; Zhang, Haichuan; Zhang, Yi; Dvornikov, Alexander S.; Esener, Sadik.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4459, 01.12.2001, p. 334-343.

Research output: Contribution to journal › Conference article

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