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bessel beam

物理学 | 电子、通信与自动控制技术

·2,447,543篇论文数据，部分数据来源于NoteExpress

abstract: A Bessel beam is a field of electromagnetic, acoustic or even gravitational radiation whose amplitude is described by a Bessel function of the first kind.See also D.

以上来源于: WordNet

Numerical calculations show that after focused by the axicon, a vortex beam can convert into a high-order Bessel beam.

数值模拟结果表明，涡旋光束经过轴棱锥聚焦后可获得高阶贝塞尔光束。

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Nowadays, these light beams are divided into two kinds: one is hollow beam, such as Laguerre-Gaussian beam and high-order Bessel beam;

目前，具有轨道角动量的光束主要分为两大类：一、空心光束，例如拉盖尔高斯光束和高阶贝赛尔光束；

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Results show that if the cross-section of the axicon is ideally manufactured in circular symmetry, the field distribution behind the axicon is approximately an ideal Bessel beam.

计算结果指出，当轴棱锥的截面为圆对称的理想加工时，轴棱锥产生的光场分布为近似理想的零阶贝塞耳光。

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更多双语例句

The intensity peaks within a solenoid beam are found in a spiral around the line of the beam itself, while a Bessel beam's intensity rises and falls in peaks and troughs at higher distances from the beam's line.

BBC: Nasa examines 'tractor beams' for sample gathering
Solenoid beams have already proven their "tractor beam" abilities in laboratory tests published in the journal Optics Express, but the pulling power of Bessel beams, presented on the preprint server Arxiv in February, remains to be proved experimentally.

BBC: Nasa examines 'tractor beams' for sample gathering

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