Planar Photonic Crystals Biosensor Applications of TiO_2

• Authors: U. Erdiven , M. Karaaslan , E. Unal , F. Karadağ
• Languages of publication: EN

Abstracts

EN

We examine quality factor and sensitivity change depending on the resonant wavelength changing refractive index of surrounding liquid for TiO_2 photonic crystal slab structure. Photonic crystal slab structure is used widely for biological materials such as proteins, antigens, DNA, cells, virus particles and bacteria. Mentioned photonic crystal slabs are usable with large-area biosensor designs. They permit direct access to externally incident optical beams in a microfluidic device. Model calculations are based on two-dimensional periodic crystal structure. Photonic crystal slab consists of a square lattice of air holes in a finite-thickness dielectric slab. The time domain simulations were implemented by software MIT Electromagnetic Equation Propagation.

Keywords

EN

78.67.Pt   42.70.Qs   07.07.Df   42.79.Pw  

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 122
• Issue: 4
• Pages: 732-736

Dates

published

2012-10

received

2011-11-29

(unknown)

2012-06-11

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Identifiers

DOI

10.12693/APhysPolA.122.732