The APE
PulseCheck
autocorrelator can now be upgraded for measuring FROG data of femtosecond pulses.
While the standard autocorrelator characterizes the laser pulse temporally (autocorrelation)
the FROG option now offers access also to the frequency domain of the ultrafast
pulses, so that the laser pulse is fully characterized in the time-frequency
domain. The evaluation of the FROG data provides the phase information. This
comprehensive pulse measuring technique facilitates the optimization of laser
systems for generating Fourier-transform-limited pulses.
The
PulseCheck FROG option consists of a modified
crystal and a purpose-designed software for the data acquisition. The principal
layout of the
PulseCheck autocorrelator stays
unchanged. In contrast to the CCD-detector system of a standard FROG system,
the detector of the
PulseCheck has no limitation
on wavelength and features higher sensitivity.
Due to the exchangeable optics sets of the APE
PulseCheck
and the combination with the FROG option an extraordinary scope of applications
is covered by only one device.