| 单像素复振幅成像（特邀） |
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| 引用本文： | 刘瑞丰,赵书朋,李福利.单像素复振幅成像（特邀）[J].红外与激光工程,2021,50(12):20210735-1-20210735-16. |
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| 作者姓名： | 刘瑞丰 赵书朋 李福利 |
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| 作者单位： | 西安交通大学 物理学院，陕西 西安 710049 |
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| 基金项目： | 国家自然科学基金(12074307) |
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| 摘 要： | 传统光学成像系统主要依靠阵列探测器对目标的空间分布进行探测来达到成像的目的。而单像素成像不需要阵列探测器，在探测端只需要使用一个单点探测器来记录光场的信号，然后利用关联算法来重构目标物体的图像信息。由于单点探测器的技术较为成熟，且成本较为低廉，因此这种成像方式在近些年得到了研究人员的广泛关注，期望单像素成像技术能够应用在X射线、红外、太赫兹等波段。另外，单像素成像技术在生物荧光成像、多光谱成像、三维成像、光场复振幅成像等应用领域也得到了深入的研究。其中光场波前的相位探测在天文观测、医学诊断、光学测量等领域至关重要，研究人员针对这一问题提出了多种基于单像素成像技术进行复振幅成像的方法，这些研究有效地拓展了单像素成像技术的实际应用场景。文中主要介绍了单像素成像技术的历史发展及其基本工作原理，并着重介绍了单像素成像技术在复振幅成像应用中的工作。
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| 关 键 词： | 单像素成像 波前检测 复振幅成像 关联成像 压缩感知 |
| 收稿时间： | 2021-10-08 |
Single-pixel complex amplitude imaging (Invited) |
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| Affiliation: | School of Physics, Xi’an Jiaotong University, Xi’an 710049, China |
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| Abstract: | In traditional imaging systems, a two-dimensional pixel array detector is usually used to record the object’s image. However, in the scheme of single-pixel imaging, only a bucket detector without spatial resolution capability is needed for signal measurement. Then one can reconstruct the image with different algorithms on a computer. Compared with pixel array detector, the manufacturing cost is relatively low for a bucket detector, so the single-pixel imaging technique attracts a great deal of researchers, especially in the wavebands of X ray, near infrared imaging and terahertz imaging. Moreover, extensive attention of single-pixel imaging has also focused on the applications of fluorescence imaging, multi-spectral imaging, 3D imaging and complex wavefront imaging. Especially in the field of complex wavefront imaging, because it is important to the applications of astronomy, medical diagnosis and optical measurement. Researchers have proposed a large number of single-pixel imaging schemes to measure an unknown complex amplitude field, and these works may help the single-pixel imaging technique be used in different practical scenes. In this review, the development and basic principle of single-pixel imaging technique were introduced. Further, the application of single-pixel imaging in the field of complex amplitude measuring was reviewed and discussed detailly. |
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