Based on the measurement of dispersion characteristic and birefractive index of the fluorinated polyimide film,a statistical optimum design method is proposed and used to realize the design of 32- and 36-wavelengths o...Based on the measurement of dispersion characteristic and birefractive index of the fluorinated polyimide film,a statistical optimum design method is proposed and used to realize the design of 32- and 36-wavelengths optical waveguide wavelength-interleave coupler(i,e.,interleaver) with the optimization of polarization fluctuation and wavelength interval of 0.8 nm at 1 550 nm.The largest cross coupling ratios of the two interleavers are respectively less than 1.8% and 3.5%,while the least through coupling ratios are respectively greater than 98.2% and 96.5%.The output differences due to polarization fluctuation are less than ±1.7% and ±3.2%.展开更多
In this paper, the authors research sustainable development of countryside′s society economy in Fujian Province of China by Grey connection analysis. The authors also discuss the effect of society and resource & ...In this paper, the authors research sustainable development of countryside′s society economy in Fujian Province of China by Grey connection analysis. The authors also discuss the effect of society and resource & ecology environment on per capita net income of peasants, and research the mechanism of sustainable development of countryside′s society economy, and raise some countermeasure and measure.展开更多
文摘Based on the measurement of dispersion characteristic and birefractive index of the fluorinated polyimide film,a statistical optimum design method is proposed and used to realize the design of 32- and 36-wavelengths optical waveguide wavelength-interleave coupler(i,e.,interleaver) with the optimization of polarization fluctuation and wavelength interval of 0.8 nm at 1 550 nm.The largest cross coupling ratios of the two interleavers are respectively less than 1.8% and 3.5%,while the least through coupling ratios are respectively greater than 98.2% and 96.5%.The output differences due to polarization fluctuation are less than ±1.7% and ±3.2%.
文摘In this paper, the authors research sustainable development of countryside′s society economy in Fujian Province of China by Grey connection analysis. The authors also discuss the effect of society and resource & ecology environment on per capita net income of peasants, and research the mechanism of sustainable development of countryside′s society economy, and raise some countermeasure and measure.
