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首页> 外文期刊>Optics Letters >Practical low-noise stretched-pulse Yb~(3+)-doped fiber laser
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Practical low-noise stretched-pulse Yb~(3+)-doped fiber laser

机译:实用的低噪声掺Y Yb〜(3+)光纤激光器

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摘要

We report on the development of what we consider to be a practical and highly stable stretched-pulse laser based on Yb~(3+)-doped silica fiber. The Fabry-Perot cavity uses nonlinear polarization rotation as the mode-locking mechanism, and a semiconductor saturable-absorber mirror to ensure robust self-starting and incorporates a diffraction grating pair to compensate for the normal dispersion of the fiber. Use of a single-mode grating-stabilized telecommunications-qualified pump laser diode ensures reliable, low-noise operation (~0.05% amplitude fluctuations at 10-Hz measurement bandwidth). The laser generates high-quality, 60-pJ pulses of <110-fs duration at a repetition rate of ~54 MHz (3-mW average power).
机译:我们报告了我们认为是一种实用且高度稳定的,掺Yb〜(3+)石英纤维的拉伸脉冲激光器的发展情况。 Fabry-Perot腔使用非线性偏振旋转作为锁模机制,并使用半导体可饱和吸收镜确保可靠的自启动,并结合了一对衍射光栅以补偿光纤的正常色散。使用单模稳定光栅的电信级泵浦激光二极管可确保可靠的低噪声运行(在10 Hz测量带宽下幅度波动约为0.05%)。激光以〜54 MHz的重复频率(3毫瓦的平均功率)产生<110 fs持续时间的高质量60 pJ脉冲。

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