Effects of incident angles on reflective ghost imaging through atmospheric turbulence

Effects of incident angles on reflective ghost imaging through atmospheric turbulence
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入射角对大气湍流反射鬼成像的影响

DOI:
10.1088/1555-6611/aa9624
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发表时间:
2017
期刊:
影响因子:
1.2
通讯作者:
Xiquan Fu
Xiquan Fu
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Lingli Tang;Yanfeng Bai;Chao Duan;Suqin Nan;Qian Shen;Xiquan Fu

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通过大气湍流研究了入射角对反射式鬼像成像质量的影响。结果表明,在中等湍流条件下,小角度对成像质量几乎没有影响,而直接成像的结果稍差。入射角的增大导致直接成像和鬼像成像的成像质量下降,而在入射角和湍流强度相同的情况下,鬼像成像的成像质量更好。对于大角度,直接成像在中等湍流下无法分辨,而鬼像成像可以获得相对较好的鬼像。给出了不同湍流强度下保真度与入射角的关系。
The influence of the incident angle on the imaging quality of reflective ghost imaging is investigated through atmospheric turbulence. It is shown that under mediate turbulence, small angles have almost no effect on the imaging quality, while the result for direct imaging gets slightly worse. An increase of the incident angle leads to the degradation of the imaging quality of direct imaging and ghost imaging, while the imaging quality of the latter is better under the same angle and turbulent intensity. For large angles, the image from direct imaging cannot be distinguished under mediate turbulence, but ghost imaging can obtain a relatively good ghost image. Moreover, the relationship between the fidelity and the incident angle under different turbulent intensities is presented.
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