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Article

1,929 Views

12 Pages

Spectral Failsafe System of High-Power Laser Using Dual Fiber Bragg Gratings

Zhaoyu Zong,
Xiaocheng Tian,
Mengqiu Fan,
Dandan Zhou,
Rui Zhang,
Junpu Zhao,
Wanguo Zheng and
Dangpeng Xu

Micromachines2023, 14(10), 1927;https://doi.org/10.3390/mi14101927

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14 October 2023

Phase-modulated (PM) spectral failsafe systems are necessary to promptly terminate amplification processes following accidental seeding of a high-power laser chain with a non-PM pulse to prevent optical damage. In this work, we present a reliable spe...

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Review

7 Citations

6,915 Views

16 Pages

Fiber-Based Techniques to Suppress Stimulated Brillouin Scattering

Bin Huang,
Jiaqi Wang and
Xiaopeng Shao

Photonics2023, 10(3), 282;https://doi.org/10.3390/photonics10030282

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7 March 2023

Stimulated Brillouin scattering (SBS) is the major factor that limits the maximum optical fiber output power in narrow linewidth applications, which include important fields such as passive optical networks (PONs), high-power fiber amplifiers, and la...

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Article

2,485 Views

13 Pages

Specific Phase Modulation with Dynamic Variable Spectral Width of Nanosecond Optical Pulse in High-Power Lasers

Xinlei Qian,
Xiaochao Wang,
Shouying Xu,
Zhuli Xiao,
Yue Wang,
Shenlei Zhou and
Wei Fan

Photonics2022, 9(8), 586;https://doi.org/10.3390/photonics9080586

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18 August 2022

High-power laser pulse transmitted by phase modulation with certain spectrum distribution can suppress the buildup of transverse stimulated Brillouin scattering (TSBS) in large aperture laser optics and smooth the speckle pattern illuminating the tar...

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