Journal
NANOSCALE RESEARCH LETTERS
Volume 7, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/1556-276X-7-370
Keywords
Reflection; Mild anodization; Porous alumina; Pore widening; Geometric characteristics; Barcodes
Funding
- Spanish Ministry of Science and Innovation (MICINN) [TEC2009-09551]
- CONSOLIDER HOPE project [CSD2007-00007]
- AGAUR [2009 SGR 549]
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Here, we present a systematic study about the effect of the pore length and its diameter on the specular reflection in nanoporous anodic alumina. As we demonstrate, the specular reflection can be controlled at will by structural tuning (i.e., by designing the pore geometry). This makes it possible to produce a wide range of Fabry-P,rot interferometers based on nanoporous anodic alumina, which are envisaged for developing smart and accurate optical sensors in such research fields as biotechnology and medicine. Additionally, to systematize the responsiveness to external changes in optical sensors based on nanoporous anodic alumina, we put forward a barcode system based on the oscillations in the specular reflection.
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