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XFROG ? A New Method for Amplitude and Phase Characterization of Weak Ultrashort Pulses

physica status solidi (b) · 1998 · Vol. 206(1) · pp. 119–124
Stefan LindénHarald GießenJ. Kuhl

Abstract

We present a new method to characterize the amplitude and phase of weak ultrashort pulses. Our method is based on the spetrally resolved crosscorrelation signal of a weak test pulse with a fully characterized intensive reference pulse and requires no spectral overlap between the signal and the reference. To retrieve the amplitude and phase of the test pulse, we use an iterative Fourier transform algorithm with generalized projections.

Laser-Matter Interactions and ApplicationsAdvanced Fiber Laser TechnologiesLaser-Plasma Interactions and DiagnosticsAmplitudePulse (music)Ultrashort pulseFourier transformPhase (matter)SIGNAL (programming language)OpticsFrequency-resolved optical gatingPhysicsPulse-amplitude modulation
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