Experimental observation of the phenomenon of spectral switch

被引：78

作者：

Kandpal, HC ^{[1
]}

机构：

[1] Natl Phys Lab, New Delhi 110012, India

来源：

JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2001年 / 3卷 / 04期

关键词：

spatial coherence; spectral shift; spectral switch;

D O I：

10.1088/1464-4258/3/4/311

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Within the Fresnel approximation, experimental investigations of the spectral characteristics are carried out in the near zone when partially coherent light passes through a rectangular or a circular aperture. It is seen that at a critical value of z (the distance between the aperture and the on-axis observation point), the gradual change in the spectral shift shows a rapid spectral switch. Experimental results are compared with the theoretically expected results.

引用

收藏

页码：296 / 299

页数：4

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