S. Lee, J. Seo, Sang-Woo Ha, Bong-Sik Kwak, Jin-a Kim, I. Choi, Jin-yong Kim
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The Angle Align Method of Reference Beam for Holographic Data Storage
We introduce a method to align the angle of reference beam holographic data storage by using a photodiode in front of image sensor, the brightness of information data can be easily extracted. From the output of the photodiode, we can quickly find the optimal angle for readout beam