Triple-optical autocorrelation for direct optical pulse-shape measurement | Zendy

TzuMing Liu | Zendy; Yin-Chieh Huang | Zendy; Gia-Wei Chern | Zendy; KungHsuan Lin | Zendy; ChihJie Lee | Zendy; YuChueh Hung | Zendy; ChiKuang Sun | Zendy

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Triple-optical autocorrelation for direct optical pulse-shape measurement

Author(s) -

TzuMing Liu,

Yin-Chieh Huang,

Gia-Wei Chern,

KungHsuan Lin,

ChihJie Lee,

YuChueh Hung,

ChiKuang Sun

Publication year - 2002

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1501453

Subject(s) - autocorrelation , optics , femtosecond , pulse (music) , bandwidth limited pulse , physics , pulse shaping , time domain , phase (matter) , ultrashort pulse , mathematics , computer science , laser , statistics , quantum mechanics , detector , computer vision

Triple optical autocorrelation of femtosecond optical pulses was realized simply with third-harmonic-generation technique. This optical technique provides complete knowledge of transient pulse intensity variation directly in time domain. Only analytic calculation is needed to obtain the pulse-shape from data without direction-of-time ambiguity. Combined with a spectral measurement and the Gerchberg–Saxton algorithm, except for pulses with complete temporal and spectral symmetry that will cause a twofold ambiguity, exact phase variation in time can also be retrieved through an iterative calculation with an O(n) complexity.

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