中国激光, 2019, 46 (7): 0709001, 网络出版: 2019-07-11
一种提高数字全息自适应光学系统成像分辨率的方法 
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Method for Improving Imaging Resolution of Digital Holographic Adaptive Optical System
图 & 表
图 2. 未加随机相位板时IDHAO系统的点全息图。 (a)点全息图(强度);(b)点全息图的自相关函数; (c)点全息图自相关函数的剖面
Fig. 2. Point hologram of IDHAO system without random phase plate. (a) Point hologram (amplitude);(b) autocorrelation function of point hologram; (c) sectional view of autocorrelation function of point hologram
图 3. 加随机相位板后IDHAO系统的点全息图。 (a)点全息图(强度);(b)点全息图的自相关函数; (c)点全息图自相关函数的剖面
Fig. 3. Point hologram of IDHAO system with random phase plate. (a) Point hologram (amplitude); (b) autocorrelation function of point hologram; (c) sectional view of autocorrelation function of point hologram
图 4. 成像结果对比。(a)成像目标; (b)未加相位板的重建像 ;(c)加相位板后的重建像
Fig. 4. Comparison of imaging results. (a) Imaging object; (b) image reconstructed by IDHAO system without random phase plate; (c) image reconstructed by IDHAO system with random phase plate
图 5. 采用不同均方差随机相位板的系统重建像结果。(a) 0.4π;(b) 0.6π;(c) 0.8π
Fig. 5. Images reconstructed by IDHAO system with random phase plates having different standard deviations. (a) 0.4π; (b) 0.6π; (c) 0.8π
图 6. 采用不同像素数的随机相位板的系统重建像结果。(a) 256×256;(b) 128×128;(c) 64×64
Fig. 6. Images reconstructed by IDHAO system with random phase plates having different pixel numbers. (a) 256×256; (b) 128×128; (c) 64×64
图 8. 未加随机相位板时系统采集的干涉图及干涉图合成的全息图。(a)针孔干涉图;(b)针孔全息图振幅;(c)针孔全息图相位;(d)目标干涉图;(e)目标全息图振幅;(f)目标全息图相位
Fig. 8. Interferograms and holograms acquired by experimental setup without random phase plate. (a) Interferogram of pinhole; (b) amplitude of pinhole hologram; (c) phase of pinhole hologram; (d) interferogram of object; (e) amplitude of object hologram; (f) phase of object hologram
图 9. 加随机相位板后系统采集的干涉图及由干涉图合成的全息图。(a)针孔干涉图;(b)针孔全息图振幅;(c)针孔全息图相位;(d)目标干涉图;(e)目标全息图振幅;(f)目标全息图相位
Fig. 9. Interferograms and holograms acquired by experimental setup with random phase plate. (a) Interferogram of pinhole; (b) amplitude of pinhole hologram; (c) phase of pinhole hologram; (d) interferogram of object; (e) amplitude of object hologram; (f) phase of object hologram
李顺, 王地, 陆彦婷. 一种提高数字全息自适应光学系统成像分辨率的方法[J]. 中国激光, 2019, 46(7): 0709001. Shun Li, Di Wang, Yanting Lu. Method for Improving Imaging Resolution of Digital Holographic Adaptive Optical System[J]. Chinese Journal of Lasers, 2019, 46(7): 0709001.
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