通过波前整形技术从扭曲的光场产生平顶光束。

IF 1.4 3区 物理与天体物理 Q3 OPTICS
Hang Sun, Haoran Li, Ziyang Chen, Xiaoyan Wu, Guodong Liu, Jixiong Pu
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引用次数: 0

摘要

具有可控图案的均匀激光束对于各种应用至关重要,包括激光加工和惯性约束聚变。虽然已经提出了一些生成平顶光束的方法,但它们通常需要复杂的光学系统,由于系统的未对准或光学元件的缺陷,这些光学系统可能变得无效。为了克服这些问题,我们利用基于反馈的波前整形(FWS)技术从无序光中生成具有所需图案的平顶光束。为了解决多目标优化问题,我们在非支配排序遗传算法II(NSGA2)的基础上提出了一些改进,并成功地从无序光场中生成了强度分布均匀、光束形状可控的聚焦光束。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Generation of flattop beams from a distorted optical field by the wavefront shaping technique.

Uniform laser beams with controllable patterns are crucial for various applications, including laser processing and inertial confinement fusion. While some methods have been proposed to generate flattop beams, they often require complex optical systems that can become ineffective because of the misalignment of the system or the imperfection of optical elements. To overcome these issues, we utilized feedback-based wavefront shaping (FWS) technology to generate flattop beams with desired patterns from a disordered light. To solve the multi-goal optimization problem, we propose some modifications based on the Non-dominated Sorting Genetic Algorithm II (NSGA2) and successfully generate focal beams with a uniform intensity distribution and controllable beam shape from the disordered light field.

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来源期刊
CiteScore
3.40
自引率
10.50%
发文量
417
审稿时长
3 months
期刊介绍: The Journal of the Optical Society of America A (JOSA A) is devoted to developments in any field of classical optics, image science, and vision. JOSA A includes original peer-reviewed papers on such topics as: * Atmospheric optics * Clinical vision * Coherence and Statistical Optics * Color * Diffraction and gratings * Image processing * Machine vision * Physiological optics * Polarization * Scattering * Signal processing * Thin films * Visual optics Also: j opt soc am a.
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