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Citation: Wang ng-Ming, Ai Hui, Liu Xiu, Wang Wen-Jun, Tao Feng-Gang. Investigation of Suitable LangmuirBlodgett Multilayers Structure for Optical Double Frequency Waveguide Application[J]. Acta Physico-Chimica Sinica, ;2001, 17(11): 995-999. doi: 10.3866/PKU.WHXB20011108 shu

Investigation of Suitable LangmuirBlodgett Multilayers Structure for Optical Double Frequency Waveguide Application

1.
Department of Optical science and Engineering, Department of Chemistry, Fudan University, Shanghai　200433

Received Date: 15 May 2001
Available Online: 15 November 2001

Noncentrosymmetric Ytype alternating NMOB/CdA multilayers were prepared for applications of LB films in waveguidetype second harmonic generation (SHG) devices. Two kinds of methods were put forward to improve the quality of NMOB/CdA alternating multilayers, which possess nearquadratic dependence of SHG intensities on layer number. 115 bilayers of NMOB/CdA multilayers film was fabricated which met Cerenkov phasematching condition, and SHG at 1064 nm wavelength from this waveguide was measured. The preliminary results show that the improved multilayer LB films are suitable for fabricating waveguide.
- Alternated LB films;Second harmonic generation;Point of solidliquid transformation;Separating polymer layer;Optical waveguide
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