A red-sensitive photopolymer material sensitized by azure II is fabricated and its holographic storage characteristics are
studied. The experimental results show that this kind of material has high diffraction efficiency (the maximum value
56%), high exposure sensitivity (5.2×10-3 cm2/mJ) and large refractive index modulation (1.6×10-3). The analog image
generated by a spatial light modulator (SLM) is stored in this medium, the transmission and reconstruction images have a
good fidelity. It shows that this photopolymer material has the potential for high-density volume holographic storage.
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