Abstract
If a diode pumped solid state laser is used in a holographicstorage system, its multi longitudinal modes may damage the angularselectivity of the hologram and introduce more cross talk in thesystem. By theoretical analysis, we found that with adopting thespeckle multiplexing scheme, holographic systems are no longersensitive to the multi longitudinal modes of the laser source, andconsequently the damage described above could be well suppressed.Moreover, the following high density storage experimental results alsoexpress strong advocacy of this conclusion. This result may greatlyprompt the miniaturization of a holographic storage system.
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