| Title | 频率分辨光学开关法行迹相位还原的时频分析 |
| Other Titles | Time-frequency analysis for phase retrieval from traces of frequency resolved optical gating |
| Authors | 邓玉强 王清月 张志刚 |
| Affiliation | 中国计量科学研究院光学与激光计量科学研究所 天津大学精密仪器与光电子工程学院 天津大学精密仪器与光电子工程学院 北京100013 天津300072 北京大学信息科学与技术学院 北京100871 |
| Keywords | 超短脉冲 相位重建 ultrafast pulses phase retrieval |
| Issue Date | 2006 |
| Publisher | 物理学报 |
| Citation | 物理学报.2006,(12),6454-6458. |
| Abstract | 将小波变换分析光谱相位相干原理应用于频率分辨光学开关(FROG)行迹图的时间-频率分析,不需要传统的迭代算法,从对FROG行迹的脊的分析中,直接得到超短脉冲的相位.对于FROG行迹的脊变化平缓的脉冲得到了精确的相位. Based on the theory of wavelet- transform analysis for spectral phase retrieval from spectral shearing interferogram, we extract phases from the traces of frequency resolved optical gating ( FROG) with time-frequency analysis method. The method enables the phases to be extracted from the ridges of FROG traces directly, and requires no iterative algorithm. For the flap ridges, accurate phases can be extructed. However, for the frequency- varying ridges, the results have great error at the tails of the pulses, and the reasons for error generation are analyzed. |
| URI | http://hdl.handle.net/20.500.11897/214821 |
| ISSN | 1000-3290 |
| DOI | 10.3321/j.issn:1000-3290.2006.12.044 |
| Indexed | SCI(E) 中文核心期刊要目总览(PKU) 中国科技核心期刊(ISTIC) |
| Appears in Collections: | 信息科学技术学院 |
