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16 December 1996 Degenerate four-wave mixing spectrum of C60 between 0.74 and 1.7 um
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We have extended the wavelength range of our previous study of the third order nonlinear optical susceptibility tensor (chi) (3)(-(omega) , (omega) , (omega) , -(omega) ) of a thin C60 film to 1.7 micrometers . We use time-resolved degenerate four-wave-mixing with femtosecond pulses to measure both the phase and magnitude of (chi) 1111. Our data are well defined in terms of a single two-photon resonance at a fundamental wavelength of 930 nm. From our fit parameters, we predict for (chi) 1111 in the zero-frequency limit a value of (9 +/- 3) X 10-13 esu and at the resonance maximum a value of i(3.9 +/- 0.6) X 10-12 esu.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Friedrich P. Strohkendl, Theresa J. Axenson, Larry Raymond Dalton, Robert W. Hellwarth, H. W. Sarkas, and Zakya H. Kafafi "Degenerate four-wave mixing spectrum of C60 between 0.74 and 1.7 um", Proc. SPIE 2854, Fullerenes and Photonics III, (16 December 1996);

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