A comparison of diffracting and non-diffracting coherence functions based on full-field spatial coherence visualization system

被引：0
|
作者：
Zhao, Juan [1 ]
Takeda, Mitsuo [2 ]
Wang, Wei [1 ]
机构：
[1] Heriot Watt Univ, Inst Photon & Quantum Sci, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland
[2] Utsunomiya Univ, Ctr Opt Res & Educ, Utsunomiya, Tochigi 3218585, Japan
来源：
INTERNATIONAL CONFERENCE ON PHOTONICS AND OPTICAL ENGINEERING (ICPOE 2014) | 2015年 / 9449卷
关键词：
Diffraction; Non-diffracting; Coherence function; Visualization system; NONDIFFRACTING BEAMS; PROPAGATION; LIGHT; INTENSITY;
D O I：
10.1117/12.2076033
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we proposed a novel optical geometry for direct visualization of spatial coherence function. The full-field distribution of the coherence function from an incoherent circular aperture source is experimentally investigated. Meanwhile, the experiments of non-diffracting coherence function from an incoherent circular slit source have also been done. The experimental results show that the coherence function generated by an incoherent circular aperture source is in the form of Fresnel diffraction integral which diffracting during the propagation and the coherence function generated by an incoherent circular slit source is unaltered by propagating in free space.
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页数：9
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