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Opt Express. 2010 Aug 16;18(17):17666-71. doi: 10.1364/OE.18.017666.

Nonlinear optical properties of phenoxy-phthalocyanines at 800 nm with femtosecond pulse excitation.

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State Key Laboratory of Tunable Laser Technology, Institute of Opto-Electronics Harbin Institute of Technology, Harbin 150080, P. R .China.


We investigated nonlinear optical properties of Phenoxy-phthalocyanine (Pc1) and Phenoxy-phthalocyanine-Zinc(II) (Pc2) at a wavelength of 800 nm with 100 fs pulses. The nonlinear absorption coefficient (alpha) and nonlinear refractive index (n(2)) are measured using standard Z-scan technique. Open aperture Z-scan indicates strong three-photon absorption in both phthalocyanines. With good solubility and excellent nonlinear optical coefficient,the samples are expected to be a potential candidate for optical applications.

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