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《Optical Technique》 2018-05
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Effect of defocus on lensless ghost diffraction and traditional imaging

ZHOU Shuangxi;SHENG Wei;LUO Chunling;Department of Civil and Architecture,East China Jiaotong University;  
Defocusing has been one of the major problems affecting the imaging quality of imaging systems.The influence of defocusing on the optical path on the different optical paths is studied,and the effects of defocusing on lensless diffraction and conventional imaging are compared.In addition,based on the previous theoretical research,the intensity function of lensless ghost diffraction and traditional imaging were analyzed,the results show that the effect of defocusing on lensless diffraction and conventional imaging is that there is a phase of the transmission function of the object Chirp system,which makes the two imaging systems to some extent equivalent.
【Fund】: 国家自然科学基金(51662008);; 江西省重点研发计划(2017BBG70078)
【CateGory Index】: TP391.41;O431.2
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