Improved ancilla preparation in spectral shearing interferometry for accurate ultrafast pulse characterization

被引:30
|
作者
Witting, Tobias [1 ]
Austin, Dane R. [1 ]
Wahnsley, Ian A. [1 ]
机构
[1] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England
基金
英国工程与自然科学研究理事会;
关键词
PHASE INTERFEROMETRY; ULTRASHORT-PULSE;
D O I
10.1364/OL.34.000881
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
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. (C) 2009 Optical Society of America
引用
收藏
页码:881 / 883
页数:3
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