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http://dx.doi.org/10.9797/TSISS.2011.7.2.085

Retrieving Angle Searching Method using Pre-scan for Holographic Data Storage  

Jung, Kyu-Il (대한항공 기술연구소)
Lim, Sung-Yong (연세대학교 기계공학부)
Kim, Nak-Yeong (연세대학교 정보저장공학)
Yang, Hyun-Seok (연세대학교 기계공학부)
Publication Information
Transactions of the Society of Information Storage Systems / v.7, no.2, 2011 , pp. 85-89 More about this Journal
Abstract
In retrieving process in angle multiplexing Holographic Data Storage(HDS), It is important to search the exact recording angles. In this paper, we propose the retrieving angle searching method using pre-scan. Pre-scan method is means that rotating the galvano mirror before the retrieving process. Therefore, retrieving signals are maximized when between the galvano mirror and recoded angle are exactly matched. Through the measured signals, we will find the exact angle and compensate tangential tilt angle. The experimental results shows propose method is enough to apply the HDS.
Keywords
Holographic Data Storage; Pre-scan method; Retrieving angle searching;
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