@article { Tang:2006qy, title = {Effect of pulse duration on two-photon excited fluorescence and second harmonic generation in nonlinear optical microscopy}, journal = {J. of Biomed. Opt.}, volume = {11}, year = {2006}, pages = {Art. No. 020501}, type = {article}, author = { Tang, S. and Krasieva, T. B. and Chen, Z. P. and Tempea, G. and Tromberg, B. J.} }