REFRACTOMETRIC OPTICAL SENSING BY USING A MULTILAYER REFLECTION AND TRANSMISSION NARROWBAND FILTER

被引:5
作者
Liu, C. -C. [2 ]
Chang, Y. -H. [3 ]
Wu, C. -J. [1 ]
机构
[1] Natl Taiwan Normal Univ, Inst Electroopt Sci & Technol, Taipei 116, Taiwan
[2] Natl Yunlin Univ Sci & Technol, Grad Sch Engn Sci & Technol, Touliu 640, Yunlin, Taiwan
[3] Natl Yunlin Univ Sci & Technol, Dept Elect Engn, Touliu 640, Yunlin, Taiwan
关键词
PHOTONIC CRYSTALS; THIN-FILMS; DESIGN;
D O I
10.1163/156939310790735651
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A refractometric optical sensing device based on a multilayer narrowband reflection and transmission filter with an ultrathin metallic film is proposed. By changing the refractive index of the defect layer in this narrowband filter, we find that the shift in the resonance peak wavelength is a sensitive function of the small variation in the refractive index. This sensing method is more compact and easier to make than the usual one based on the photonic crystal sensor.
引用
收藏
页码:293 / 305
页数:13
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