23 July 1993 Dispersion of X(3)(-3w;w,w,w) in C60: correlation between linear and nonlinear properties
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Proceedings Volume 1852, Nonlinear Optical Properties of Advanced Materials; (1993) https://doi.org/10.1117/12.148446
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States
Abstract
We report the (chi) (3)(-3(omega) ;(omega) ,(omega) ,(omega) ) of a thin film of polycrystalline C60 on glass measured by third harmonic generation (THG) over the fundamental energy range of 0.52 - 1.18 eV. The dispersion clearly shows a three-photon resonance at $HBAR(omega) equals 0.94 eV, whose third harmonic energy corresponds to the dipole allowed transition at 2.8 eV in the solid C60. We use perturbation theory to model the linear absorption spectrum and the nonlinear spectrum, and achieve consistent values for the fitting parameters.
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Jeffrey S. Meth, Jeffrey S. Meth, Herman A. Vanherzeele, Herman A. Vanherzeele, Ying Wang, Ying Wang, } "Dispersion of X(3)(-3w;w,w,w) in C60: correlation between linear and nonlinear properties", Proc. SPIE 1852, Nonlinear Optical Properties of Advanced Materials, (23 July 1993); doi: 10.1117/12.148446; https://doi.org/10.1117/12.148446
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