Spiral autofocusing Airy beams carrying power-exponent-phase vortices

Li, Peng; Liu, Sheng; Peng, Tao; Xie, Gaofeng; Gan, Xuetao

doi:10.1364/oe.22.007598

Cited by 177 publications

(46 citation statements)

References 39 publications

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“…with other desired complex amplitude distribution, this technique can be used to produce interferograms for nearly any arbitrary field. Such hologram generation technique has been applied to successfully create Laguerre–Gaussian beams, self‐accelerating Airy beams, and power‐exponent phase vortex beams.…”

Section: Mechanism Of Dmdmentioning

confidence: 99%

Tailoring light with a digital micromirror device

2015

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A digital micromirror device (DMD) is a product of micromechanics. The DMD employs numerous micromirrors as the actuating components to switch small portions of light on and off. During the past few decades, such devices have been widely applied in digital light processing technology. The expanding range of applications makes the DMD increasingly important in various research aspects. Recent advances demonstrate that the DMD is potentially better than the traditional liquid crystal spatial light modulator in speed, spectrum sensitivity, and polarization modulation. These characteristics have been verified in a series of recently reported experiments. This review summarizes the related theory, experimental techniques, and applications for wavefront shaping with DMDs in both statically shaping various spatial modes and dynamically compensating for wavefront distortion caused by the scattering medium.

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Section: Mechanism Of Dmdmentioning

confidence: 99%

Tailoring light with a digital micromirror device

2015

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“…Furthermore, to increase the mode distributions of the perfect OV, the elliptic perfect OV has been reported recently, which is regulated via a scaling factor [15,16]. Moreover, by modulating the phase gradient and the phase jump factors, the power-exponent-phase vortex [17] and the remainder-phase optical vortex [18] are generated, respectively. To obtain more diverse OAM distributions, another method is the beam shaping technology [19].…”

Section: Introductionmentioning

confidence: 99%

Centrosymmetric Optical Vortex

Zhang

et al. 2019

Applied Sciences

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We report on a novel optical vortex, named as centrosymmetric optical vortex (CSOV), which is constructed via four conventional optical vortices (OVs) with different topological charges (TCs). The orbital angular momentum (OAM) density satisfies centrosymmetric distribution. Meanwhile, it is confined within a single ring whose radius is determined by the cone angle of an axicon. Furthermore, its magnitude and distribution are modulated by a parameter determined via the TCs of the four OVs, named as phase reconstruction factor. Our work provides a novel detached asymmetric light field, which possesses the potential application in macro-particle manipulation, especially separating cells.

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“…On the other hand, in more than one dimension the circular Airy (CAi) beams, as radially symmetric beams that possess autofocusing property [29][30][31][32], have stirred wide interest in the past few years. It has been demonstrated that CAi beams can be used to trap and guide microparticles [33,34] and even to produce the so-called bottle beams [35] and light bullets [36]. Similar to the finite-energy Airy beams, CAi beams can also be controlled and manipulated by potentials [37][38][39].…”

Section: Introductionmentioning

confidence: 99%

Controllable circular Airy beams via dynamic linear potential

et al. 2016

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We investigate controllable spatial modulation of circular autofocusing Airy beams, under action of different dynamic linear potentials, both theoretically and numerically. We introduce a novel treatment method in which the circular Airy beam is represented as a superposition of narrow azimuthally-modulated one-dimensional Airy beams that can be analytically treated. The dynamic linear potentials are appropriately designed, so that the autofocusing effect can either be weakened or even eliminated when the linear potential exerts a "pulling" effect on the beam, or if the linear potential exerts a "pushing" effect, the autofocusing effect can be greatly strengthened. Numerical simulations agree with the theoretical results very well.

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Spiral autofocusing Airy beams carrying power-exponent-phase vortices

Cited by 177 publications

References 39 publications

Tailoring light with a digital micromirror device

Tailoring light with a digital micromirror device

Centrosymmetric Optical Vortex

Controllable circular Airy beams via dynamic linear potential

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