High-Efficiency High-Mode-Purity Cylindrical Vector Beam Based on Ring-Core Yb-Doped Fiber

IF 2.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Technology Letters Pub Date : 2025-01-10 DOI:10.1109/LPT.2025.3528345

Dandan Liu;Wei Chen;Fei Wang;Jianao Peng;Xianglong Zeng;Lixin Xu;Jianxiang Wen;Xiaobei Zhang;Fufei Pang;Tingyun Wang

引用次数: 0

Abstract

We propose and fabricate a novel ring-core Ytterbium-doped fiber (RCYDF) with a depressed inner core. The experiment demonstrates that the fiber could effectively increase the mode competitiveness of the LP11 mode while attenuating the fundamental (LP01) mode. Meanwhile, we propose the overlap factor ratio (OFR) to characterize the mode competitiveness of the high-order core (LP11) mode. Based on this fiber, the cylindrical vector beams (CVBs) are generated at 1062.34 nm with a high efficiency of 63.35%. The output of radially polarized (TM01) and azimuthally polarized (TE01) beams are achieved with high-mode-purity of 94.7% and 93.2%, respectively. The CVB fiber laser has great potential application in surface plasmon excitation and laser material processing.

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基于环芯掺镱光纤的高效高模纯圆柱矢量光束

我们提出并制作了一种新型的内芯凹陷的环芯掺镱光纤。实验表明，该光纤可以有效地增加LP11模式的模式竞争，同时衰减LP01基模。同时，我们提出了重叠因子比（OFR）来表征高阶核心（LP11）模式的模式竞争力。在该光纤的基础上，在1062.34 nm处产生了圆柱形矢量光束（CVBs），效率高达63.35%。输出的径向偏振光（TM01）和方向偏振光（TE01）的模式纯度分别为94.7%和93.2%。CVB光纤激光器在表面等离子激元激发和激光材料加工等方面具有很大的应用潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Photonics Technology Letters 工程技术-工程：电子与电气

CiteScore

5.00

自引率

3.80%

发文量

404

审稿时长

2.0 months

期刊介绍： IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.