有限孔径Bessel-Gauss场的简单解析描述(Ⅰ) Bessel-Gauss波束 高斯函数 有限孔径本文给出了有限孔径Bessel-Gauss波束的一种简单的解析描述,根据阶跃函数在[0,+∞)区间上可以近似为一组高斯函数的线性叠加这一性质,这种方法可以十分方便地计算出场分布。王善进陈桂发惠州学院学报
产生高阶Bessel-Gauss光束的方法 获得高阶Bessel-Gauss光束的实验方法可分为 众所周知的无限大均匀平面波;第二类是椭圆对称 的马提厄(Mathieu)光束;第三类是具有圆对称性的 贝塞尔(Bessel)光束。Bessel光束对应于圆形波导 中的TE和TM模,具有传播不变性。
Gong1,*, Weiwei Liu1,*, Qian Zhao1,Yuxuan Ren2, Xingze Qiu1, Mincheng Zhong1 & Yinmei Li1 We report, in theory and experiment, on a novel class of controlled light capsules with nearly perfect darkness, directly employing intrinsic properties of modified Bessel-Gauss ...
The resulting beam profile is regarded as Bessel-Gauss with inward radial wave component that compensates diffraction of a normal Gaussian mode profile. A numerical simulation was performed to verify for km-long laser propagation domain, accomplished by using Electromagnetic Waves, Beam Envelopes ...
摘要:高阶贝塞尔-高斯(BesselGauss)光束在一定条件下呈现“无衍射”特性,是一种具有 广阔应用前景的空心光束。本文首先对高阶BesselGauss光束的产生方法进行了分析和归 类,将其产生方式分为主动式和被动式两大类。其次对获得高阶BesselGauss光束的谐振腔 法、几何光学法、光学全息法、计算全息法、非线性光学法等实验...
Bagini V,Frezza F,Santarsiero M,et al.Generalized Bessel-Gauss beams.Journal of Modern Optics. 1996Bagini V, Frezza F, Santarsiero M, Schettini G and Spagnolo G S 1996 Generalized Bessel-Gauss beams J. Mod. Opt. 43 1155-66Bagini V,Frezza F,Santarsiero M,et al.Generalized Bessel-Gauss ...
是一种具有 广阔应用前景的空心光束.本文首先对高阶 Bessel Gauss光束的产生方法进行了分析和归 类,将其产生方式分为主动式和被动式两大类.其次对获得高阶 Bessel Gauss光束的谐振腔 法,几何光学法,光学全息法,计算全息法,非线性光学法等实验方法进行了阐述.最后总结了 各种方法产生高阶 Bessel Gauss光束的优缺点...
www.nature.com/scientificreports OPEN Colloidal density control with Bessel–Gauss beams Cristian Hernando Acevedo1, Ruitao Wu1, J. Keith Miller2, Eric G. Johnson2 & Aristide Dogariu1* Optical manipulation of colloidal systems is of high interest for both fundamental ...
LU B,Huang W.Three-dimensional intensity distribution of focused Bessel-Gauss beams. Journal of Modern Optics . 1996Lǖ B,Huang W.Three-dimensional intensity distribution of focused Bessel-Gauss beams. Journal of Modern Optics . 1996B. Lu, W. Huang. Three dimensional intensity distribution of ...
?研究了轴棱锥聚焦像散椭圆高斯光束的光场分布特性,根据菲涅耳衍射积分理论导出了椭圆高斯光束经轴棱锥衍射后的光场分布,通过数值积分给出椭圆高斯光束经轴棱锥聚焦后的近轴光场强度分布情况,将其与圆高斯光束产生的近似bessel-gauss场进行比较,发现椭圆高斯光束经轴棱