Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yeh-Wei Yu0
Ching-Cherng Sun0
Shu-Ching Hsieh0
Date of Patent
May 25, 2010
0Patent Application Number
121724180
Date Filed
July 14, 2008
0Patent Primary Examiner
Patent abstract
A spatial light modulator applied to the collinear volume holographic storage system uses a hollow phase modulator to modulate the surrounding portion of an incident light to be a reference light, and the center portion of the incident light is modulated by an amplitude modulator to be a signal light. Thus, the spatial light modulator can enhance the convergence of the point spread function of the system.
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