Abstract

We demonstrate the use of pulse-front tilt (PFT) in cross-correlation frequency-resolved optical gating (XFROG) implemented in polarization-gate geometry to measure arbitrary complex ultrashort pulses tens of picoseconds long on a single-camera frame with the potential for a single-shot measurement. The PFT is generated by a diffraction grating. We measured chirped double pulses separated by 4.7 and 24 ps with fine details and accurately retrieved them using the standard XFROG retrieval algorithm. The temporal range of our device is 28 ps, an order of magnitude longer than available from standard single-shot FROG devices without PFT.

© 2013 Optical Society of America

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