Improved ancilla preparation in spectral shearing interferometry for accurate ultrafast pulse characterization.
Improved ancilla preparation in spectral shearing interferometry for accurate ultrafast pulse characterization.
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DOI：
10.1364/ol.34.000881
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发表时间：
2009-04
期刊：
影响因子：
3.6
通讯作者：
T. Witting;D. Austin;I. Walmsley
中科院分区：
文献类型：
--
作者：
T. Witting;D. Austin;I. Walmsley
我们报道了一种用于直接电场重建的光谱相位干涉法(SPIDER)，其中使用光谱滤光片来产生上转换所需的准单色场。这种方法的优点包括改进的校准精度、对强啁啾输入脉冲的鲁棒性、简单性和紧凑性。我们通过使用空间编码排列(SEA)蜘蛛测量光栅压缩器的光谱啁啾来实验验证该技术。
We report a version of spectral phase interferometry for direct electric field reconstruction (SPIDER), in which spectral filters are used to produce the quasi-monochromatic fields required for upconversion. The advantages of this approach include improved calibration accuracy, robustness for strongly chirped input pulses, simplicity, and compactness. We verify the technique experimentally by measuring the spectral chirp of a grating compressor using a spatially encoded arrangement (SEA-)SPIDER.