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Ultrafast amplifier additive timing jitter characterization and control

机译:超快放大器附加定时抖动的表征和控制

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We report on the characterization and long-term compensation of additive timing jitter introduced by a femtosecond ytterbium regenerative amplifier with a 100 kHz repetition rate. A balanced optical cross-correlation technique is used to generate a jitter error signal. This approach is well suited to characterize the additive timing jitter of Yb amplifiers seeded by narrow spectrum Yb oscillators. The balanced optical cross-correlator is in a noncollinear configuration allowing a background free coindence detection. This setup enables the measurement of additive timing jitter from the amplifier, with a noise floor of 300 as integrated from 10 Hz to 10 kHz. The measured additive timing jitter level is about 5 fs, integrated from 0.1 Hz to 10 kHz. The amplifier timing drift characterization and control are performed for more than an hour. (C) 2016 Optical Society of America
机译:我们报告了飞秒y再生放大器以100 kHz重复频率引入的附加定时抖动的特性和长期补偿。平衡光学互相关技术用于生成抖动误差信号。这种方法非常适合于表征由窄谱Yb振荡器产生的Yb放大器的加性时序抖动。平衡光学互相关器处于非共线配置,允许无背景的一致性检测。这种设置能够测量放大器的附加定时抖动,在10 Hz至10 kHz积分的本底噪声为300。测得的附加定时抖动水平约为5 fs,积分范围为0.1 Hz至10 kHz。放大器定时漂移的表征和控制进行了一个多小时。 (C)2016美国眼镜学会

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