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首页> 外文期刊>Optics Letters >Phase-locked ultrashort pulse trains at separate and independently tunable wavelengths
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Phase-locked ultrashort pulse trains at separate and independently tunable wavelengths

机译:锁相超短脉冲序列处于单独且独立可调的波长

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摘要

The generation and characterization of femtosecond pulses at three independently tunable visible wavelengths is reported. Selected spectral portions of a common continuum generated in sapphire are amplified in noncollinear optical parametric amplifiers. The phase relation of the pulse trains is analyzed with a nonlinear interferometer based on coherent anti-Stokes Raman scattering and is found to be locked to better than 250 mrad rms. Small spectral shifts of the pulses lead to interference behavior that is consistent with 1 kHz frequency combs.
机译:报告了在三个独立可调的可见光波长下飞秒脉冲的产生和特性。在非共线光学参量放大器中放大在蓝宝石中生成的公共连续体的选定光谱部分。使用基于相干反斯托克斯拉曼散射的非线性干涉仪分析了脉冲序列的相位关系,发现其锁定在250 mrad rms以上。脉冲的小频谱偏移导致干扰行为,与1 kHz频率梳一致。

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