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Self-referencing of the carrier-envelope slip in a 6-fs visible parametric amplifier

机译:6 fs可见参量放大器中载波包络滑移的自参考

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摘要

We demonstrate a scheme for parametric amplification that allows us to measure the drift of the carrier-envelope phase of the output signal pulses. The method is based on the unique double phase-matching properties of a noncollinearly pumped BBO crystal, making possible the detection of the interference between the signal and the frequency-doubled idler. Additionally, the suggested device greatly simplifies the single-shot measurement of the phase evolution in Ti:sapphire laser amplifiers by dispensing with harmonic synthesis from the spectral edges of an octave-wide supercontinuum.
机译:我们演示了一种用于参数放大的方案,该方案使我们能够测量输出信号脉冲的载波包络相位的漂移。该方法基于非共线泵浦BBO晶体的独特双相位匹配特性,从而使检测信号与倍频惰轮之间的干扰成为可能。此外,该建议的设备通过省去倍频范围超连续谱的频谱边缘的谐波合成,大大简化了Ti:蓝宝石激光放大器中相变的单次测量。

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