A new type of bifat-chain amphiphilic moecules 1,10-bistearyl-4,6,13,15-tetraene-18-nitrogencrown-6 (NC), was synthesized and adopted as an spacer for an optically nonlinear hemicyanine derivative(DAEP) dye to form in...A new type of bifat-chain amphiphilic moecules 1,10-bistearyl-4,6,13,15-tetraene-18-nitrogencrown-6 (NC), was synthesized and adopted as an spacer for an optically nonlinear hemicyanine derivative(DAEP) dye to form interleaved Y-type LB multilayer films. The second harmonic (SH) intensity increased quadratically with the bilayer number due to improvement of the structural properties by insertion of the long hydrophibic chain of the DAEP between two fat-chains of NC.展开更多
The enhancement of optical sum-frequency generation(SFG)is calculated in Kretschmann's ATR configuration with the excitation of two counter-propagating SPWs.The experimental result is in good agreement with the th...The enhancement of optical sum-frequency generation(SFG)is calculated in Kretschmann's ATR configuration with the excitation of two counter-propagating SPWs.The experimental result is in good agreement with the theoretical calculation.展开更多
文摘A new type of bifat-chain amphiphilic moecules 1,10-bistearyl-4,6,13,15-tetraene-18-nitrogencrown-6 (NC), was synthesized and adopted as an spacer for an optically nonlinear hemicyanine derivative(DAEP) dye to form interleaved Y-type LB multilayer films. The second harmonic (SH) intensity increased quadratically with the bilayer number due to improvement of the structural properties by insertion of the long hydrophibic chain of the DAEP between two fat-chains of NC.
文摘The enhancement of optical sum-frequency generation(SFG)is calculated in Kretschmann's ATR configuration with the excitation of two counter-propagating SPWs.The experimental result is in good agreement with the theoretical calculation.