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Coherent imaging by using defocus grating
Ma, Haotong1,2,4; Xie, Zongliang1,2; Qi, Bo1,2; Zhang, Guowen3; Ren, Ge1,2; Wang, Sanhong5
Source PublicationProceedings of SPIE: Emerging Imaging and Sensing Technologies
Indexed BySCI ; Ei
WOS IDWOS:000391387200015
AbstractWe propose and demonstrate an coherent imaging technique by using defocus grating. For the imaging system, the defocus grating combined with lens with short focal length is used to realize multiplane imaging on the lens' focal plane, simultaneously. Based on these multiplane images, Gerchberg-Saxton (GS) algorithm is used to reconstruct the complex amplitude distribution of the input imaging beam. By using computational imaging and digital wavefront distortion correction with stochastic parallel gradient descent (SPGD) algorithm, this technology can be used for joint estimation of both pupil aberrations and an high resolution image of the object, successfully. © 2016 SPIE.
KeywordGradient Methods Imaging Techniques Stochastic Systems
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Document Type期刊论文
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Scieces, Chengdu, Sichuan
2.610209, China
3. Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu, Sichuan
4.610209, China
5. National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai
6.201800, China
7. College of Opto-electric Science and Engineering, National University of Defense Technology, Changsha, Hunan
8.410073, China
9. Taiyuan Satellite Launch Center, Taiyuan, Shanxi
10.036301, China
Recommended Citation
GB/T 7714
Ma, Haotong,Xie, Zongliang,Qi, Bo,et al. Coherent imaging by using defocus grating[J]. Proceedings of SPIE: Emerging Imaging and Sensing Technologies,2016,9992:99920I.
APA Ma, Haotong,Xie, Zongliang,Qi, Bo,Zhang, Guowen,Ren, Ge,&Wang, Sanhong.(2016).Coherent imaging by using defocus grating.Proceedings of SPIE: Emerging Imaging and Sensing Technologies,9992,99920I.
MLA Ma, Haotong,et al."Coherent imaging by using defocus grating".Proceedings of SPIE: Emerging Imaging and Sensing Technologies 9992(2016):99920I.
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