基于 SNES 像差自我校准的多焦操控系统

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-02-20 DOI:10.35848/1882-0786/ad2afe

Linxian Liu, Jiahao Liu, Chunxu Ding, Jiamiao Yang, Jia Gao, Yuan Qu, Qiaozhi He, Rongjun Shao

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引用次数: 0

摘要

使用数字微镜设备（DMD）进行波前整形可实现无惯性聚焦操作，具有多种调制模式和高刷新率。然而，DMD 的曲率造成的像差会影响聚焦性能。在此，我们提出了一种基于可分离自然演化策略（SNES）的像差自校准方法。该方法在全局范围内搜索最佳畸变 Zernike 系数，并利用超级像素编码完成补偿。与遗传算法相比，我们将速度提高了 62%，并获得了更好的聚焦光斑。它能同时扫描 25 个独立的焦点。这一进步为光学成像、工业检测和激光加工中的波前整形应用提供了支持。

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Multi-focus manipulation system based on SNES aberration self-calibration

Wavefront shaping using digital micromirror devices (DMDs) allows inertia-free focus manipulation with numerous modulation modes and high refresh rates. However, the aberration caused by the curvature of DMD affects the focusing performance. Here, we propose an aberration self-calibration method based on separable natural evolution strategies (SNES). This method searches optimal Zernike coefficients of aberration globally and completes compensation using super-pixel encoding. Compared to the genetic algorithm method, we improve the speed by 62% and achieve better-focused spots. It enables simultaneous scanning of 25 independent focal spots. This advancement supports wavefront shaping applications in optical imaging, industrial inspection, and laser processing.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).