The Transmission Modes and Losses of the Poled Nano-crystal and Polymer Composite PbTiO3/PEK-c Thin-film Waveguides

武汉理工大学学报-材料科学版(英文版), 2007, 22(1): 66-69.

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1.The Optoelectronics Research Centre,City University of Hong Kong,Kowloon,Hong Kong;Department of Optics,Shandong University,Jinan 250100,China

2.The Optoelectronics Research Centre,City University of Hong Kong,Kowloon,Hong Kong

3.Department of Optics,Shandong University,Jinan 250100,China

4.Department of Optics,Shandong University,Jinan 250100,China

5.Department of Optics,Shandong University,Jinan 250100,China

6.The Optoelectronics Research Centre,City University of Hong Kong,Kowloon,Hong Kong

7.The Optoelectronics Research Centre,City University of Hong Kong,Kowloon,Hong Kong

基金项目: 国家高技术研究发展计划(863计划)(2002AA313070) 国家自然科学基金(60377016;60476020)

The Transmission Modes and Losses of the Poled Nano-crystal and Polymer Composite PbTiO3/PEK-c Thin-film Waveguides

Keywords： optical properties

Composite thin films of PbTiO3 nano-crystals and high transparency polymer polyetherketone(PEK-c) for application of non-linear optical devices were prepared by spin coating. The size of PbTiO3 nano-crystals was estimated to be 30-40 nm using a transmission electron microscope. The refractive index and the mode propagation losses at 633 nm were measured using the prism coupling technique and improved photographic technique respectively. They were found to be 1.6545 and 2.00 dB cm-1 (fundamental mode),respectively. Moreover, it is observed that this loss is increased at higher mode indices.

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The Transmission Modes and Losses of the Poled Nano-crystal and Polymer Composite PbTiO3/PEK-c Thin-film Waveguides

参考文献