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Fresnel diffraction effects in misfocused vision

 

作者: James A. Lock,  

 

期刊: American Journal of Physics  （AIP Available online 1987）
卷期: Volume 55, issue 3  

页码: 265-269

 

ISSN:0002-9505

 

年代: 1987

 

DOI:10.1119/1.15175

 

出版商: American Association of Physics Teachers

 

关键词: FRESNEL DIFFRACTION;VISION;EYES;AMPLITUDES

 

数据来源: AIP

 

摘要:

If a narrow line stimulus on an opposite contrast background is observed with appropriately misfocused vision, the stimulus appears as a number of alternating bright and dark fringes. A numerical calculation of this effect was performed. As a result it was found that the banding phenomenon is a Fresnel diffraction effect depending on the details of both the narrow line stimulus and the eye pupil.

 

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