Dynamic testing system for hybrid magneto-optical recording

Lu Chen; Wendong Xu; Yongtao Fan; Qing Zhu

doi:10.1117/12.822593

19 March 2009 Dynamic testing system for hybrid magneto-optical recording

Lu Chen, Wendong Xu, Yongtao Fan, Qing Zhu

Proceedings Volume 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage; 71252E (2009) https://doi.org/10.1117/12.822593
Event: Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 2008, Wuhan, China

Abstract

Hybrid Magneto-Optical Recording is a potential data storage technology in the future informational society. To construct a research platform for hybrid recording, a dynamic testing system is designed and built in this paper, in which 406.7nm blue laser is used for recording and 655nm red laser for focus servo. With high modularization, the computer serves as the control core for the laser external modulation, focus servo, and sample plate spinning. Each module and its function are discussed in detail in the paper. Experimental results are also given to verify the stable and smooth performance of the system, in which the key obstacle, vibration noise, is successfully surmounted.

Citation Download Citation

Lu Chen, Wendong Xu, Yongtao Fan, and Qing Zhu "Dynamic testing system for hybrid magneto-optical recording", Proc. SPIE 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 71252E (19 March 2009); https://doi.org/10.1117/12.822593

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