该方案包括优化记录和重现光路，以及采用自聚焦透镜准直重现光波。
The scheme includes optimizing the recording and reconstruction geometries and collimating the reconstruction wave with a gradient-index lens.
采用光波的衍射积分理论，对具有波纹调制激光束的准聚焦特性进行了理论分析。
Based on the diffraction integral theory, the quasi-focused characteristics of a laser beam with waviness modulation have been studied theoretically and numerically in the paper.
通过研究二维非增益随机介质中光波的局域化，确定了准态模的空间分布和频谱特征。
The spatial profile and the spectra characteristics of quasi-state modes are determined by analyzing the localized processes of optical light beams in random media without gain.
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