Phase and intensity characterization of femtosecond pulses from a chirped-pulse amplifier by frequency-resolved optical gating.
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Frequency-resolved optical gating (FROG) measurements were made to characterize pulses from a Ti:sapphire chirped-pulse amplified laser system. By characterizing both the pulse intensity and the phase, the FROG data provided the first direct observation to our knowledge of residual phase distortion in a chirped-pulse amplifier. The FROG technique was also used to measure the regenerative amplifier dispersion and to characterize an amplitude-shaped pulse. The data provide an experimental demonstration of the value of FROG for characterizing complex pulses, including tailored femtosecond pulses for quantum control.
author list (cited authors)
Kohler, B., Squier, J., DeLong, K. W., Trebino, R., Yakovlev, V. V., & Wilson, K. R.