Open Access

Nano Express

Optical sensing nanostructures for porous silicon rugate filters

Sha Li, Dehong Hu, Jianfeng Huang and Lintao Cai^*

* Corresponding author: Lintao Cai lt.cai@siat.ac.cn

Nanoscale Research Letters 2012, 7:79 doi:10.1186/1556-276X-7-79

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