Computational analysis of the multibeam holographic optical head

Ruan Yu; Jiping Wang; Xiaofang Huang; Maohua E.

doi:10.1117/12.326867

9 October 1998 Computational analysis of the multibeam holographic optical head

Ruan Yu, Jiping Wang, Xiaofang Huang, Maohua E.

Proceedings Volume 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV; (1998) https://doi.org/10.1117/12.326867
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The multi-beam holographic optical head that combines multi- beam with holographic is proposed. This optical head has a light and compact structure, and work with parallel mode. As a result, the data transfer rate of optical disc drive can increase by several or tens times. The designing and fabricating of the key component of the multi-beam holographic optical head based on above designing are discussed also. The mathematical model of this optical head's diffraction is obtained by theory, the simulating of the multi-beam holographic optical head is carried out by computer. As a result, all kinds of signal waveform of each channel are obtained, including data signa, focus error signa, and tracking error signal. It is proved by the result that the multi-beam holographic optical head is a practicable method to realize the parallel reading/writing of optical disc drive.

Citation Download Citation

Ruan Yu, Jiping Wang, Xiaofang Huang, and Maohua E. "Computational analysis of the multibeam holographic optical head", Proc. SPIE 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV, (9 October 1998); https://doi.org/10.1117/12.326867

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