Propagation and self-healing properties of Lommel-Gaussian beam through atmospheric turbulence

Chen, Xiang; Yuan, Yabo; Yan, Baoluo; Zhang, Ruoyu; Liu, Haifeng; Lu, Zehui; Liu, Bo

doi:10.1007/s11801-021-1007-4

Cited by 3 publications

(2 citation statements)

References 14 publications

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“…The increased interest in the development and formation of new types of diffraction-free beams is associated with their huge success in various applications, including microscopy, laser structuring, information coding, and metrology [26][27][28][29][30][31][32][33] . Diffraction-free beams play a special role in holographic optical tweezers for controlled laser manipulation of an ensemble of microparticles.…”

Section: Introductionmentioning

confidence: 99%

Calculation of a diffraction-free beam with the given transverse intensity distribution using an iterative algorithm

Khorin,

Volotovsky

2023

Optical Technologies for Telecommunications 2022

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It is proposed to use an iterative algorithm based on a ring spectrum and a lens to calculate a diffraction-free beam with a given transverse intensity distribution. In this work, we calculated and studied diffractive optical elements (DOEs) that form some primitive non-diffraction distributions (for example, a square and a triangle, as well as more complex grayscale distributions). It is shown that the iterative algorithm is stagnating, i.e. the number of iterations is directly related to the root mean square error. The mean square deviation of the formed transverse intensity distribution from the given primitive does not exceed 0.006 for a triangle primitive, 0.015 for a square primitive, and 0.07 for a high-contrast halftone image.

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Section: Introductionmentioning

confidence: 99%

Calculation of a diffraction-free beam with the given transverse intensity distribution using an iterative algorithm

Khorin,

Volotovsky

2023

Optical Technologies for Telecommunications 2022

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“…Increased interest in the development and formation of new types of diffraction-free beams is associated with their great utility in various applications, including optical trapping [ 33 , 34 , 35 , 36 ], material processing [ 37 , 38 , 39 ], long-distance self-healing alignment [ 40 , 41 , 42 ], encryption in optical communications [ 43 , 44 , 45 ], and increasing depth of field [ 46 , 47 , 48 ].…”

Section: Introductionmentioning

confidence: 99%

Composite Diffraction-Free Beam Formation Based on Iteratively Calculated Primitives

2023

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To form a diffraction-free beam with a complex structure, we propose to use a set of primitives calculated iteratively for the ring spatial spectrum. We also optimized the complex transmission function of the diffractive optical elements (DOEs), which form some primitive diffraction-free distributions (for example, a square or/and a triangle). The superposition of such DOEs supplemented with deflecting phases (a multi-order optical element) provides to generate a diffraction-free beam with a more complex transverse intensity distribution corresponding to the composition of these primitives. The proposed approach has two advantages. The first is the rapid (for the first few iterations) achievements of an acceptable error in the calculation of an optical element that forms a primitive distribution compared to a complex one. The second advantage is the convenience of reconfiguration. Since a complex distribution is assembled from primitive parts, it can be reconfigured quickly or dynamically by using a spatial light modulator (SLM) by moving and rotating these components. Numerical results were confirmed experimentally.

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基于罗曼型迂回相位编码法产生三参数Lommel光束

Yang Jingyu,

Shi Yile,

Zhou Run

et al. 2023

激光与光电子学进展

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Propagation and self-healing properties of Lommel-Gaussian beam through atmospheric turbulence

Cited by 3 publications

References 14 publications

Calculation of a diffraction-free beam with the given transverse intensity distribution using an iterative algorithm

Calculation of a diffraction-free beam with the given transverse intensity distribution using an iterative algorithm

Composite Diffraction-Free Beam Formation Based on Iteratively Calculated Primitives

基于罗曼型迂回相位编码法产生三参数Lommel光束

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