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9 November 2010Optical sensor based on fractal cantor multilayer structures made of
porous silicong
We have designed and characterized a novel fractal Cantor multilayer porous silicon photonic crystal with a defect
embedded in its middle as an optical sensor for sensing of various chemical and biological species. Compared with the
common periodic structure one (such as Bragg) and some aperiodic structure (such as Thue-morse), it is more sensitive
because of the lower number of interfaces. This research lays the foundation for design all-silicon sensor for biochemical
sensing and can also be good applied in excellent filter.
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Jia-qing Mo, Xiao-yi Lv, Zhen-hong Jia, Fu-ru Zhong, Jiang-wei Li, Fu-chun Zhang, "Optical sensor based on fractal cantor multilayer structures made of porous silicon," Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78532I (9 November 2010); https://doi.org/10.1117/12.869958