摘要
对作者所提出的无干涉条纹直接电场重构测量飞秒脉冲的振幅和相位的新方法作出进一步理论分析,并通过实验测量说明该方法的优越性.该方法克服了传统的SPIDER方法的弊病,能得到一组无干涉条纹的图像,排除传统方法必须使用傅里叶变换滤波消除干涉条纹而引进的系统误差,使得该方法能够采用较简便设备且能较准确测量飞秒脉冲强度轮廓和相位.最后给出同一条件下新方法和传统SPIDER方法分别重构的脉冲强度自相关曲线与实验测量结果的比较,以说明新方法的有效性和优越性.
A developed method of fringe .free spectral phase interferometry reconstruction （FF-SPIDER） for femtoseeond pulse measurement is demonstrated with theoretical simulation and experimental measurements. FF-SPIDER overeomes the disadvantages of the traditional SPIDER in which the time delay measured pulse replica results in fringes in the interference spectrum and complicates the spectral phase reconstruction, The measurement results show that FF-SPIDER reconstructs the amplitude and phase of the measured pulses with higher efficiency, higher accurate and lower requirements on measurement apparatus.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
2008年第1期307-312,共6页
Acta Physica Sinica
基金
国家自然科学基金(批准号:10274107
69888005
10674184)资助的课题~~
关键词
光谱相位相干直接电场重构法
飞秒脉冲测量
超快信息光学
spectral phase interferometry for direct electrical-fleld reconstruction, characterization of femtosecond pulses,ultrafast optics
