5 September 2002 Optical nonlinearity in gelatin layer film containing Au nanoparticles
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We demonstrate a novel technique to fabricate a gelatin film containing Au-nano-particles. The technique is based on silver halide photographic development. We investigated third-order non-linearity of the film by forward-four-wave-mixing technique. Peak absorption appeared at the wavelength of 560nm. Self-diffraction by the use of third order nonlinear grating formed by intense pico-second pulses was observed. Experimental diffraction efficiency was proportional to the square of the pump intensity. Third-order susceptibility ?(3) of the film was estimated to be 1.8 10-7esu.
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Tomohiro Hirose, Michiko Arisawa, Takashige Omatsu, Ken'ichi Kuge, Akira Hasegawa, Mitsuhiro Tateda, "Optical nonlinearity in gelatin layer film containing Au nanoparticles", Proc. SPIE 4923, Nano-Optics and Nano-Structures, (5 September 2002); doi: 10.1117/12.481717; https://doi.org/10.1117/12.481717

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