环状干涉条纹成像技术的实验研究
Demonstration of the technique of imaging with circular interference fringes
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摘要: 从傅里叶分析的角度来讨论环状干涉条纹成像的处理过程,并报道二维连续散射目标的成像实验。激光干涉条纹成像是利用激光源在空域形成的干涉条纹同目标间的相对运动来提取目标的图像信息。对利用环状干涉条纹的激光干涉成像,其机理常用全息理论来解释。Abstract: In this paper the frequency analysis is employed to investigate the image reconstruction process using circular interfering fringes. An experiment is used to demonstrate the reconstruction process and the reconstructed image of a twodimension object is reported. The technique of laser interferometric imaging takes advantage of the relative motion between the fringes(formed with laser) and the object to obtain the image information of the object. For the case of the laser interferometric imaging in which the circular fringes is adopted, it is often described with the principle of holography.
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Key words:
- interference fringe /
- imaging /
- object reconstruction
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