%0 Journal Article %J J. of Biomed. Opt. %D 2006 %T Effect of pulse duration on two-photon excited fluorescence and second harmonic generation in nonlinear optical microscopy %A Tang, S %A Krasieva, T B %A Chen, Z P %A Tempea, G %A Tromberg, B J %P Art. No. 020501 %V 11 %9 article