28 January 1987 Two-Photon Absorption And Nonlinear Refraction In Isotropic Liquid Crystals
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Picosecond nonlinear absorption and nonlinear refraction studies are presented for isotropic phase liquid crystals. These materials exhibit a large two-photon absorption coefficient (f3) at 532 nm, with values as large as 0.6 cm/GW. Nonlinear refraction was also observed and the nonlinear refractive index (n9) was measuv.qd at 1064 nm usiAg an external self-focusing arrangement. Values of n2 range from 6 x 10-13 esu to 17 x 10-13 esu.
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M J Soileau, M J Soileau, Eric W Van Stryland, Eric W Van Stryland, Shekhar Guha, Shekhar Guha, } "Two-Photon Absorption And Nonlinear Refraction In Isotropic Liquid Crystals", Proc. SPIE 0682, Molecular and Polymeric Optoelectronic Materials, (28 January 1987); doi: 10.1117/12.939651; https://doi.org/10.1117/12.939651

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