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中国物理学会期刊

波导耦合纳米光栅结构的光学滤波和角分辨调谐特性

CSTR: 32037.14.aps.58.6542

Optical filtering and angle-resolved tuning properties of the waveguided grating structures

CSTR: 32037.14.aps.58.6542
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  • 利用干涉光刻技术制备了波导耦合纳米光栅结构,系统研究了其波导共振模式的角分辨调谐特性及其对光栅参数、入射光偏振特性的依赖关系,并作了相应的理论模拟.特别研究了光栅周期和厚度对波导共振模式角分辨调谐速率的影响.实验结果对于器件进一步应用于滤波、生物传感技术具有重要的指导意义.

     

    Waveguided grating structures were fabricated using interference lithography. The angle resolved tuning properties of the resonant waveguide mode and its dependence on the grating parameters and on the polarization properties of the incident light were investigated. In particular, the influence of the grating period and waveguide thickness on the tuning rate of the resonance waveguide mode was charatcerized. Theoretical simulation showed good agreement with the experimental results, which is important for futher applications of the waveguided grating device in filters and sensors.

     

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