Abstract
A large optical nonlinearity of thermal origin has been observed in acetone solutions of a series of tetraphenylporphin, TPPH2, MnTPP(CH3CO2 −), FeTTPCI-, CoTPP, NiTPP, and CuTPP. The nonlinear Kerr coefficient is sensitively dependent on the nature of central metals in the compounds. The Mn compound exhibits the largest coefficient, ≅6 × 10−5 esu, for 514 nm laser wavelength. The use of prophins offers increased flexibility in the preparation of different Kerr media.
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Miguel Cervantes, M., Marcelino Barboza, F. & Inoue, M. Self-focusing in new kerr media: Large thermal nonlinearity in metallotetraphenylporphins. J Russ Laser Res 12, 447–451 (1991). https://doi.org/10.1007/BF01120271
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DOI: https://doi.org/10.1007/BF01120271