Abstract

Recently, we developed a simple technique¹ for measuring the spectral phase of femtosecond optical pulses, we called it direct optical spectral phase measurement (DOSPM). This technique measures the phase of the temporal interference between two frequency components selected by a movable double-slit mask in a zero-dispersion pulse shaper. Here we report a new method using a nine-slit mask that yields spectral phase measurement for eight spectral-frequency components with a single temporal scan.

© 1995 Optical Society of America