Characterization of Ultrashort Optical Pulses With Third-Harmonic-Generation Based Triple Autocorrelation
Resource
IEEE Journal of Quantum Electronics 38 (11): 1529-1535
Journal
IEEE Journal of Quantum Electronics
Journal Volume
38
Journal Issue
11
Pages
1529-1535
Date Issued
2002
Date
2002
Author(s)
Liu, Tzu-Ming
Huang, Yin-Chieh
Chern, Gia-Wei
Lin, Kung-Hsuan
Hung, Yu-Chueh
Lee, Chih-Jie
Abstract
We present a method to obtain complete information of femtosecond pulses. By measuring triple-optical autocorrelation directly with third-harmonic generation, without spectral information, a temporal pulse shape can be obtained by analytical calculation without direction-of-time ambiguity. Combining the resulting optical pulse shape with its corresponding optical spectrum, the exact phase and color variations in time can all be recovered with a Gerchberg-Saxton algorithm through an iterative calculation with an O(n) complexity.
Type
journal article
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