Yang, Sidney S Z-scan study of thermal nonlinearities in silicon naphthalocyanine-toluene solution with the excitations of the picosecond pulse train and nanosecond pulse. [electronic resource] - Optics express Feb 2007 - 1718-31 p. digital Publication Type: Journal Article ISSN: 1094-4087 Standard No.: 10.1364/oe.15.001718 doi