A method for unique phase retrieval of ultrafast optical fields
A method for unique phase retrieval of ultrafast optical fields
复制标题
DOI：
10.1088/0957-0233/20/1/015303
复制
发表时间：
2009-01-01
影响因子：
2.4
通讯作者：
Stolz, Heinrich
中科院分区：
文献类型：
--
作者：
Seifert, Birger;Stolz, Heinrich
提出了一种测量超短激光脉冲振幅和相位的自参考技术。与其他方法相比，该方法不存在相对相位模糊。因此，我们可以表征超短脉冲与良好分离的频率分量。利用两个独立的激光脉冲互相关技术，可以避免相对相位模糊。此外，我们提出并实验证明了一种新的实时相位恢复算法，重建脉冲的快速和独特的。
A self-referencing technique for measuring amplitude and phase of ultrashort laser pulses is presented. In contrast to the other methods the relative-phase ambiguities do not appear in our method. Thus, we can characterize ultrashort pulses with well-separated frequency components. The relative-phase ambiguities can be avoided by the use of a cross-correlation technique with two independent laser pulses. Further we propose and demonstrate experimentally a new realtime phase-retrieval algorithm that reconstructs both pulses fast and uniquely.