We describe a degenerate four-wave mixing technique for measuring optical Kerr coefficients. This technique permits discrimination between fast and slow (thermal) nonlinearities. We report results for a number of long-chain organic materials.
© 1981 Optical Society of America
P. W. Smith, W. J. Tomlinson, D. J. Eilenberger, and P. J. Maloney, "Measurement of electronic optical Kerr coefficients," Opt. Lett. 6, 581-583 (1981)