Simultaneous self-phase modulation and two-photon absorption measurement by a spectral homodyne Z-scan method.

Abstract

We developed a technique to simultaneously measure self-phase modulation and two-photon absorption using shaped femtosecond laser pulses. In the conventional Z-scan measurement technique the amount of nonlinearity is determined by measuring the change in shape and intensity of a transmitted laser beam. In contrast, our method sensitively measures… (More)

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