| 无透镜傅里叶变换数字全息图记录和再现研究 |
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| 引用本文： | 钟丽云,吕晓旭. 无透镜傅里叶变换数字全息图记录和再现研究[J]. 昆明理工大学学报(自然科学版), 2004, 29(4): 226-230 |
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| 作者姓名： | 钟丽云 吕晓旭 |
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| 作者单位： | 昆明理工大学,激光研究所,云南,昆明,650051 |
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| 基金项目： | 国家自然科学研究基金 (项目编号:6 0 2 770 32 )，云南省自然科学研究基金 (项目编号 :2 0 0 2F0 0 30M) |
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| 摘 要： | 利用传统无透镜傅里叶变换全息理论，分析了无透镜傅里叶变换数字全息的记录、再现和物像关系，推导了满足记录采样和再现像分离的记录条件，进行相应的计算机模拟分析和实验研究．结果表明：无透镜傅里叶变换数字全息术可以方便地提高数字全息的分辨率和扩大记录物体的尺寸，对数字全息技术的发展和应用研究有重要的意义．
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| 关 键 词： | 数字全息 无透镜傅里叶全息术 采样条件 分辨率 |
| 文章编号： | 1007-855X(2004)04-0226-05 |
| 修稿时间： | 2004-06-10 |
Study on Lensless Fourier Digital Holography |
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| ZHONG Li Yun,LU Xiao Xu. Study on Lensless Fourier Digital Holography[J]. Journal of Kunming University of Science and Technology(Natural Science Edition), 2004, 29(4): 226-230 |
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| Authors: | ZHONG Li Yun LU Xiao Xu |
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| Abstract: | By use of lensless Fourier holographic theory, some analysis is made on the recorded requirement, the reconstructed algorithm and the relationship between the object and the reconstructed image for lensless Fourier digital holography. The recording condition, which is fulfilled the requirements of sampling and separation of reconstructed image, is deduced. Meanwhile some computer simulation and the corresponding experiments research have been done. The research result shows that if lensless Fourier holography is used in recoding digital hologram, the resolution of reconstructed image can be improved and the recorded object size can be enlarged expediently |
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| Keywords: | digital holography lensless Fourier digital holography sampling theorem resolution |
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