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首页> 外文期刊>Optical fiber technology >Lutetium oxide film as a passive saturable absorber for generating Q-switched fiber laser at 1570 nm wavelength
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Lutetium oxide film as a passive saturable absorber for generating Q-switched fiber laser at 1570 nm wavelength

机译：氧化铝膜作为用于在1570nm波长的用于产生Q开关光纤激光器的无源饱和吸收器

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摘要

We report for the first time, the application of Lutetium oxide (Lu2O3) thin film as a saturable absorber (SA) in generating a stable and compact Q-switched Erbium-doped fiber laser (EDFL) operating at 1570 nm. The film SA was prepared by embedding the Lu2O3 particles into a polyvinyl alcohol (PVA) host film. By integrating the film SA in a laser cavity, a stable pulsed laser appeared when the input pump power hit the threshold at 26.3 mW. The frequency of the pulsed laser rose from 18.4 kHz to 30.4 kHz, matching the increase of pump power from 26.3 mW to 71.6 mW. The shortest pulse width of 8.47 mu s and the highest peak power of 8.98 mW were obtained at the maximum available pump power of 71.6 mW. Meanwhile, the maximum output power and pulse energy were measured at approximately 2.32 mW and 76 nJ, respectively. In addition, the signal to noise ratio (SNR) was 40 dB. These indicators suggest that Lutetium oxide film is a good passive SA that can be used to generate pulsed laser operating at1.55 mu m region.
机译：我们首次报告，氧化钇（Lu2O3）薄膜作为可饱和吸收剂（SA）在产生稳定且紧凑的Q开关掺铒光纤（EDFL），在1570nm下操作。通过将LU2O3颗粒嵌入聚乙烯醇（PVA）宿主膜中来制备薄膜SA。通过将薄膜SA积分在激光腔中，当输入泵功率在26.3mW处达到阈值时出现稳定的脉冲激光器。脉冲激光器的频率从18.4 kHz升至30.4 kHz，将泵功率的增加与26.3 MW增加到71.6 MW。最短脉冲宽度为8.47 mu s和8.98 mw的最高可用泵功率为71.6 mW。同时，在大约2.32mW和76 nJ下测量最大输出功率和脉冲能量。另外，信噪比（SNR）的信号为40 dB。这些指标表明，氧化钇膜是良好的被动SA，其可用于产生在1.55μm区域的脉冲激光器。

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  • 来源
    《Optical fiber technology》 |2019年第7期|82-86|共5页
  • 作者

    Baharom M. F.; Rahman M. F. A.; Latiff A. A.; Wang P.; Arof H.; Harun S. W.;

  • 作者单位

    Univ Malaya Fac Engn Dept Elect Engn Kuala Lumpur 50603 Malaysia|Univ Tekn Malaysia Melaka Fac Elect Engn Hang Tuah Jaya 76100 Melaka Malaysia;

    Univ Tekn Malaysia Melaka Fak Teknol Kejuruteraan Elekt & Elekt Hang Tuah Jaya 76100 Melaka Malaysia;

    Univ Tekn Malaysia Melaka Fac Elect & Comp Engn Hang Tuah Jaya 76100 Melaka Malaysia;

    Harbin Engn Univ Coll Sci Minist Educ Key Lab In Fibre Integrated Opt Harbin 150001 Heilongjiang Peoples R China;

    Univ Malaya Fac Engn Dept Elect Engn Kuala Lumpur 50603 Malaysia;

    Univ Malaya Fac Engn Dept Elect Engn Kuala Lumpur 50603 Malaysia|Airlangga Univ Fac Sci & Technol Dept Phys Surabaya Indonesia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Fiber laser; Q-switching operation; Saturable absorber; Lutetium;

    机译：光纤激光;Q开关操作;可饱和吸收剂;卢特里亚;

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