Partially coherent vortex beam with periodical coherence properties

Liu, Xianlong; Liu, Leixin; Xu, Peng; Liu, Lin; Wang, Fei; Gao, Ya‐Ru; Cai, Yangjian

doi:10.1016/j.jqsrt.2018.10.024

Cited by 17 publications

(19 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The correlation function of a conventional partially coherent vortex beam is of Gaussian distribution. Partially coherent vortex beams with nonconventional correlation functions were proposed and generated [123,124], and some interesting properties were found. Laguerre-Gaussian correlated Schell-model (LGCSM) vortex beam is a typical nonconventional partially coherent vortex beam, whose correlation function is of LGdistribution, and its CSD function in the source is expressed as [123]:…”

Section: Theoretical Models For Partially Coherent Vortex Beamsmentioning

confidence: 99%

“…Equation 6reduces to a GSM vortex beam whenp ¼ 0. More recently, partially coherent vortex beam with periodical coherence properties was introduced [124] and such beam displays interesting propagation properties, i.e. a Gaussian beam spot evolves into multiple beam spots (i.e.…”

Section: Theoretical Models For Partially Coherent Vortex Beamsmentioning

confidence: 99%

“…Most of the literatures have been focused on the conventional partially coherent vortex beams whose correlation functions are of Gaussian distributions . In recent years, partially coherent vortex beams with nonconventional correlation functions have been introduced [123,124]. In this review, we introduce research progress on partially coherent vortex beams, including theoretical models, propagation properties, generation and topological charge determination.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Review on vortex beams with low spatial coherence

Liu

Zeng

Cai

2019

Advances in Physics: X

Self Cite

View full text Add to dashboard Cite

Vortex beams with helical phase, carrying phase singularity and orbital angular momentum, have attract great attention in the past decades due to their wide applications in optical communications, optical manipulation, super-resolution imaging and so on. Vortex beams with low spatial coherence, i.e. partially coherent vortex beams, carrying correlation singularity, display some unique properties during propagation, e.g. self-shaping, selfsplitting and self-reconstruction. Partially coherent vortex beams exhibit some advantages over coherent vortex beams in some applications, such as remote sensing, laser radar and free-space optical communications. This review summarizes research progress on partially coherent vortex beams, including theoretical models, propagation properties, generation and topological charge determination.

show abstract

Section: Theoretical Models For Partially Coherent Vortex Beamsmentioning

confidence: 99%

Section: Theoretical Models For Partially Coherent Vortex Beamsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Review on vortex beams with low spatial coherence

Liu

Zeng

Cai

2019

Advances in Physics: X

Self Cite

View full text Add to dashboard Cite

show abstract

“…On the other hand, PCBs with both initial non-Gaussian beam profiles and DOCs have also received considerable attention in recent years [28][29][30][31][32][33][34]. In the following text, we use the term general PCBs (GPCBs) to include a class of PCBs with non-Gaussian amplitudes and DOCs.…”

Section: Introductionmentioning

confidence: 99%

Numerical Approach for Studying the Evolution of the Degrees of Coherence of Partially Coherent Beams Propagation through an ABCD Optical System

Kacerovská

Khosravi

et al. 2019

Applied Sciences

Self Cite

View full text Add to dashboard Cite

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.

show abstract

“…Recently, partially coherent beams with nonconventional correlation functions (NCFs) have been widely investigated [21,22]. Several types of partially coherent sources with NCFs have been introduced and generated through various coherence manipulation methods [23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40]. These novel sources exhibit many interesting propagation properties, and are expected to be useful in many…”

Section: Introductionmentioning

confidence: 99%

Generation of an Adjustable Optical Cage through Focusing an Apertured Bessel-Gaussian Correlated Schell-Model Beam

et al. 2019

Self Cite

View full text Add to dashboard Cite

An adjustable optical cage generated by focusing a partially coherent beam with nonconventional correlation function named the Bessel–Gaussian correlated Schell-model (BGCSM) beam is investigated in detail. With the help of the generalized Huygens–Fresnel integral and complex Gaussian function expansion, the analytical formula of the BGCSM beam passing through an apertured ABCD optical system was derived. Our numerical results show that the generated optical cage can be moderately adjusted by the aperture radius, the spatial coherence width, and the parameter β of the BGCSM beam. Furthermore, the effect of these parameters on the effective beam size and the spectral degree of coherence were also analyzed. The optical cage with adjustable size can be applied for particle trapping and material thermal processing.

show abstract

Partially coherent vortex beam with periodical coherence properties

Cited by 17 publications

References 52 publications

Review on vortex beams with low spatial coherence

Review on vortex beams with low spatial coherence

Numerical Approach for Studying the Evolution of the Degrees of Coherence of Partially Coherent Beams Propagation through an ABCD Optical System

Generation of an Adjustable Optical Cage through Focusing an Apertured Bessel-Gaussian Correlated Schell-Model Beam

Contact Info

Product

Resources

About