Laser beam shaping with circular serrated apertures. I. Spatial filtering

Sizova Irina; Moskalev Timofey; Mikheev Leonid

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Laser beam shaping with circular serrated apertures. I. Spatial filtering

机译：用圆形锯齿状孔形成激光束。 I.空间过滤

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Propagation of an axially symmetrical beam through an apodizer comprising a circular serrated aperture and a spatial filter is considered on the basis of the parabolic equation solution. In part I, the equation is solved for uniform and Gaussian beams with a flat wavefront, which propagate from the circular serrated aperture to the spatial filter focal plane. By analyzing the field structure in the focal plane, the diameter of the spatial filter pinhole required for recovering the axial symmetry of the field at the spatial filter exit is determined as a function of the serrated aperture and spatial filter parameters. (C) 2019 Optical Society of America

机译：基于抛物线方程溶液考虑轴向对称光束通过包括圆形锯齿状孔径和空间滤光器的吸引力的传播。在第一部分中，该等式用于具有扁平波前的均匀和高斯光束，该横向波前沿从圆形锯齿孔传播到空间滤光片焦平面。通过分析焦平面中的场结构，确定在空间滤波器出口处恢复场的轴对称所需的空间滤光器的直径被确定为锯齿状孔径和空间滤波器参数。（c）2019年光学学会

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《Applied optics》 |2019年第18期|共5页
作者
Sizova Irina; Moskalev Timofey; Mikheev Leonid;
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Russian Acad Sci Lebedev Phys Inst 53 Leninsky Prospect Moscow 119991 Russia;

Russian Acad Sci Lebedev Phys Inst 53 Leninsky Prospect Moscow 119991 Russia;

Russian Acad Sci Lebedev Phys Inst 53 Leninsky Prospect Moscow 119991 Russia;

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Laser beam shaping with circular serrated apertures. I. Spatial filtering

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