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27 May 1982 Optical Focus Servo For Optical Disk Mass Data Storage System Application
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Proceedings Volume 0329, Optical Disk Technology; (1982) https://doi.org/10.1117/12.933379
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States
Abstract
An optical focus servo system has been designed for use with an Optical Disc Mass Data Storage system. The servo has been designed for optimum accuracy of focus control with minimal circuit components and including several features convenient to this application. The servo system exhibits correctibility of 54dB at the fundamental rotation frequency of 30 rev/sec and a system bandwidth of areater than 2 KHz. The discussion centers on the requirements of this system and emphasizes the developmental analyses, approaches and results of research in this area. The optical, mechanical and electrical considerations of the system are discussed in some detail concluding with the final design and projected views of more advanced approaches and applications.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. M. Earman "Optical Focus Servo For Optical Disk Mass Data Storage System Application", Proc. SPIE 0329, Optical Disk Technology, (27 May 1982); https://doi.org/10.1117/12.933379
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