Ultrahigh-performance optical servo system using an electro-optic beam scanner

Bo Gong; William C. Messner; Tuviah E. Schlesinger; Hadas Shragai; Daniel D. Stancil; Jinhui Zhai

doi:10.1117/12.399375

18 September 2000 Ultrahigh-performance optical servo system using an electro-optic beam scanner

Bo Gong, William C. Messner, Tuviah E. Schlesinger, Hadas Shragai, Daniel D. Stancil, Jinhui Zhai

Proceedings Volume 4090, Optical Data Storage 2000; (2000) https://doi.org/10.1117/12.399375
Event: Optical Data Storage, 2000, Whistler, BC, Canada

Abstract

The Electrooptic Beam Scanner is a solid state device developed at Carnegie Mellon's Data Storage Systems Center (DSSC) that is capable of scanning a laser beam approximately +/- 1 - 3 degree(s) at frequencies of at least 200 kHz. The optical group of the DSSC is currently employing the scanner as a fine actuator for high performance optical data storage systems. This paper discusses several aspects of that research, including multi-track scanning for increased data rate, controller for two stage actuator systems, and feedforward control for ultra-fast seeks.

Citation Download Citation

Bo Gong, William C. Messner, Tuviah E. Schlesinger, Hadas Shragai, Daniel D. Stancil, and Jinhui Zhai "Ultrahigh-performance optical servo system using an electro-optic beam scanner", Proc. SPIE 4090, Optical Data Storage 2000, (18 September 2000); https://doi.org/10.1117/12.399375

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