Optical system design of fully symmetrical Fourier transform lens

doi:10.1007/s10043-021-00667-3

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	Optical system design of fully symmetrical Fourier transform lens
	C. Gao; D. Wang; K. Qiao and X. N. Jiang
	2021
发表期刊	Optical Review
ISSN	1340-6000
卷号	28 期号:4 页码:349-357
摘要	The design requirements of the Fourier transform optical system required for synthetic aperture radar(SAR) are analyzed and the specific optical parameters are determined. The design of the Fourier lens adopts a fully symmetrical structure to avoid simultaneous optimization of the forward and reverse directions of the optical path and can complete the correction of the conjugate positional aberrations of the two pairs of object images. A Fourier lens composed of four spherical mirrors was designed and reached the diffraction limit. To verify that the optical lens can realize the Fourier transform, a 4f optical system was built in the laboratory using the lens. First, the 4f system built by the optical element was demonstrated to be able to process the signal by demodulating a one-dimensional linear frequency modulation(LFM) signal. Then, the echo signal of the SAR point target is demodulated, Fourier transform is realized by the lens, and the imaging of SAR single point target signal is completed, which plays a role in the practical application of the fully symmetrical Fourier optical lens.
DOI	10.1007/s10043-021-00667-3
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收录类别	SCI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65494
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	C. Gao,D. Wang,K. Qiao and X. N. Jiang. Optical system design of fully symmetrical Fourier transform lens[J]. Optical Review,2021,28(4):349-357.
APA	C. Gao,D. Wang,&K. Qiao and X. N. Jiang.(2021).Optical system design of fully symmetrical Fourier transform lens.Optical Review,28(4),349-357.
MLA	C. Gao,et al."Optical system design of fully symmetrical Fourier transform lens".Optical Review 28.4(2021):349-357.

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