Numerical Approach for Studying the Evolution of the Degrees of Coherence of Partially Coherent Beams Propagation through an ABCD Optical System
Pujuan Ma,Barbora Kacerovská,R. Khosravi,Chunhao Liang,Jun Zeng,Xiaofeng Peng,Chenkun Mi,Yashar E. Monfared,Yuping Zhang,Fei Wang,Yangjian Cai +10 more
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TLDR
In this paper, a numerical approach is proposed to simulate the degree of coherence (DOC) of a partially coherent beam (PCB) with a Schell-model correlator in any transverse plane during propagation.Abstract:
In this paper, we propose a numerical approach to simulate the degree of coherence (DOC) of a partially coherent beam (PCB) with a Schell-model correlator in any transverse plane during propagation. The approach is applicable for PCBs whose initial intensity distribution and DOC distribution are non-Gaussian functions, even for beams for which it is impossible to obtain an analytical expression for the cross-spectral density (CSD) function. Based on our approach, numerical examples for the distribution of the DOC of two types of PCBs are presented. One type is the partially coherent Hermite–Gaussian beam. The simulation results of the DOC agree well with those calculated from the analytical formula. The other type of PCB is the one for which it is impossible to obtain an analytical expression of CSD. The evolution of the DOC with the propagation distance and in the far field is studied in detail. Our numerical approach may find potential applications in optical encryption and information transfer.read more
Citations
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Journal ArticleDOI
Self-healing properties of Hermite-Gaussian correlated Schell-model beams
Zhiheng Xu,Xianlong Liu,Yahong Chen,Fei Wang,Lin Liu,Yashar E. Monfared,Sergey A. Ponomarenko,Yangjian Cai,Chunhao Liang +8 more
TL;DR: The influence of the obstacle position separation from the source on the self-healing capacity of partially coherent beams is studied using Hermite-Gaussian correlated Schell-model beams as a case in point and it is established that the shorter the distance between the obstacle and the source plane and the longer the Distance between the obstacles and the observation (receiver) plane, the better theSelf- healing capacity.
Journal ArticleDOI
Enhancing the self-reconstruction ability of the degree of coherence of a light beam via manipulating the cross-phase structure
Ruixuan Pan,Xin Liu,Jiahui Tang,Hao Ye,Zhenzhen Liu,Pujuan Ma,Wei Wen,Bernhard J. Hoenders,Yangjian Cai,Yangjian Cai,Chunhao Liang +10 more
TL;DR: In this paper, the authors proposed a cross-phase structure in the degree of coherence function of a light beam to improve the self-reconstruction ability of the beam.
Journal ArticleDOI
Besinc pseudo-Schell model sources with circular coherence
Rosario Martínez Herrero,Gemma Piquero Sanz,Juan Carlos González de Sande,Massimo Santarsiero,Franco Gori +4 more
TL;DR: In this paper, the intensity and coherence properties of the fields radiated from pseudo Schell-model sources with a degree of coherence of the besinc type are analyzed in detail.
Journal ArticleDOI
Generation of novel partially coherent truncated Airy beams via Fourier phase processing
TL;DR: NPCTABs are more stable during their propagation in free space and can maintain their Airy-like profile for an extended propagation distance, and the interesting and tunable characteristics of these novel beams may find applications in particle trapping, phase retrieval, and optical imaging.
References
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