Biological material spider silk by direct incorporation onto fiber ferrule for wavelength tunable Q-switched application

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-10 DOI:10.1088/1612-202x/ad3a55

N A M Muhammad, N A Awang, H Basri, N U H H Zalkepali, M I Supaat

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引用次数: 0

Abstract

This study presents a novel structure saturable absorber (SSA) based on spider silk for wavelength tunable Q-switched erbium-doped fiber laser (EDFL) operation from S to L bands. The nonlinear optical absorption of spider silk was measured, showing a high modulation depth of 64.92%, a low saturation intensity of 0.03 MW cm⁻², and a non-saturable loss of 24%. By adjusting the polarization controller, a wavelength tunable Q-switched EDFL was achieved, with a tuning range of 64 nm from 1522 nm to 1586 nm. The Q-switched pulses had a repetition rate varying from 20.62 kHz to 6.57 kHz and a pulse width ranging from 14.02 μs to 26.30 μs, corresponding to an output power from −11.31 dBm to −9.02 dBm at the maximum pump power of 151.40 mW. The proposed SSA using spider silk offers a low-cost, eco-friendly, and high-performance solution for wide wavelength tunable Q-switched EDFL applications in optical testing, fiber communication, optical fiber sensing, and ultrafast lasers.

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将生物材料蜘蛛丝直接加入光纤套圈，实现波长可调的 Q 开关应用

本研究提出了一种基于蜘蛛丝的新型结构可饱和吸收体（SSA），用于波长可调的 Q 开关掺铒光纤激光器（EDFL）S 波段到 L 波段的工作。对蜘蛛丝的非线性光吸收进行了测量，结果显示其调制深度高达 64.92%，饱和强度低至 0.03 MW cm-2，非可饱和损耗为 24%。通过调节偏振控制器，实现了波长可调的 Q 开关 EDFL，调谐范围为 64 nm（从 1522 nm 到 1586 nm）。Q 开关脉冲的重复频率从 20.62 kHz 到 6.57 kHz 不等，脉冲宽度从 14.02 μs 到 26.30 μs，在最大泵浦功率为 151.40 mW 时，输出功率从 -11.31 dBm 到 -9.02 dBm 不等。利用蜘蛛丝提出的 SSA 为光学测试、光纤通信、光纤传感和超快激光器中的宽波长可调谐 Q 开关 EDFL 应用提供了低成本、环保和高性能的解决方案。

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

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.