, Volume 78, Issue 5, pp 589-592
Date: 13 Feb 2004

Femtosecond laser pulses measured with a photodiode – FROG revisited

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We demonstrate complete characterization of a femtosecond laser pulse electric field amplitude and phase using a FROG setup with a thick second harmonic crystal and a photodiode replacing a spectrometer. The scheme we propose is intended for high-repetition-rate pulse trains. It takes advantage of the photodiode high dynamic range and can be implemented in a compact size.


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