Long wavelength operation of a dysprosium fiber for polymer processing

Majewski Matthew R.; Bharathan Gayathri; Fuerbach Alex; Jackson Stuart D.

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Long wavelength operation of a dysprosium fiber for polymer processing

机译：聚合物加工镝纤维的长波长操作

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We demonstrate operation of a mid-infrared dysprosium-doped fiber laser with emission at 3388 nm, representing the longest wavelength yet achieved from this class of laser, to the best of our knowledge. Oscillation far removed from the Dy3+ gain peak around 3 mu m is achieved through the design of a high feedback optical cavity employing a directly inscribed fiber Bragg grating as the output coupler. Laser performance is characterized by a slope efficiency with respect to injected pump power of 38% and maximum output power of 134 mW, an improvement of at least three orders of magnitude over prior attempts at long wavelength Dy3+ fiber laser operation. This wavelength coincides with a maximum in the absorption coefficient of PMMA, which we exploit for preliminary demonstration of the utility of this source in polymer processing. (C) 2021 Optical Society of America

机译：我们演示了一种发射波长为3388 nm的中红外掺镝光纤激光器的工作，据我们所知，这代表了这类激光器迄今为止实现的最长波长。通过采用直接内接光纤布拉格光栅作为输出耦合器的高反馈光腔的设计，实现了远离Dy3+增益峰值约3μm的振荡。激光性能的特点是注入泵浦功率的斜率效率为38%，最大输出功率为134 mW，与之前尝试的长波Dy3+光纤激光器相比，至少提高了三个数量级。该波长与PMMA吸收系数的最大值一致，我们利用该波长初步证明了该光源在聚合物加工中的用途。（2021）美国光学学会

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《Optics Letters》 |2021年第3期|共4页
作者
Majewski Matthew R.; Bharathan Gayathri; Fuerbach Alex; Jackson Stuart D.;
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Macquarie Univ Fac Sci &

Engn MQ Photon Res Ctr Sydney NSW 2109 Australia;

Macquarie Univ Fac Sci &

Engn MQ Photon Res Ctr Sydney NSW 2109 Australia;

Macquarie Univ Fac Sci &

Engn MQ Photon Res Ctr Sydney NSW 2109 Australia;

Macquarie Univ Fac Sci &

Engn MQ Photon Res Ctr Sydney NSW 2109 Australia;

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正文语种 eng
中图分类计量学;光学;
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机译：用于长波长操作的高载流子迁移率光折变聚合物

Long wavelength operation of a dysprosium fiber for polymer processing

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