Triple-optical autocorrelation for direct optical pulse-shape measurement
Resource
Applied Physics Letters 81 (8): 1402-1404
Journal
Applied Physics Letters
Journal Volume
81
Journal Issue
8
Pages
1402-1404
Date Issued
2002
Author(s)
Abstract
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.
Type
journal article
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