We propose and experimentally investigate a new scheme capable of suppressing the light-induced scattering by periodical incoherent erasure during every non-volatile holographic recording cycle in photochromic LiNbO_(...We propose and experimentally investigate a new scheme capable of suppressing the light-induced scattering by periodical incoherent erasure during every non-volatile holographic recording cycle in photochromic LiNbO_(3):Fe:Mn crystals.The results demonstrate that the scattering noise is suppressed effectively,and the final diffraction efficiency of the fixed grating is significantly enhanced,rather than decrease,by about 30%compared with the conventional recording procedure.The period of the recording and incoherent erasure cycle is theoretically calculated and experimentally optimized.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.69837020the Chinese Academy of Sciences。
文摘We propose and experimentally investigate a new scheme capable of suppressing the light-induced scattering by periodical incoherent erasure during every non-volatile holographic recording cycle in photochromic LiNbO_(3):Fe:Mn crystals.The results demonstrate that the scattering noise is suppressed effectively,and the final diffraction efficiency of the fixed grating is significantly enhanced,rather than decrease,by about 30%compared with the conventional recording procedure.The period of the recording and incoherent erasure cycle is theoretically calculated and experimentally optimized.