Two Dimensional Photonic Crystal Biosensors

Hui Bo Wang; Kai Tong; Chao Cong Gu; Weng Zhi Zeng; Jian Ru Lu

doi:10.4028/www.scientific.net/AMR.683.419

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Two Dimensional Photonic Crystal Biosensors
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 683Two Dimensional Photonic Crystal Biosensors

Two Dimensional Photonic Crystal Biosensors

Abstract:

Based on the rigorous coupled wave theory, the narrowband reflect spectral imaging characteristics on two-dimensional photonic crystal are analyzed, and two-dimensional photonic crystal sensor probe biological structure and photonic crystal biosensor system are constructed. The simulation proved that, when the adsorption medium at the surface of two-dimensional photonic crystal are different, the white light narrowband reflection resonance mode peak wavelength would drift, and the drift quantity of the peak wavelength and the refractive index of the adsorptive medium is in a linear relationship. Colored the space imaging spectra of photonic crystal, the changes of the adsorbate refractive index in different area of the photonic crystal surface can be observed , the adsorbate concentration changes can also be got. This conclusion can be applied to biochemical substances, pharmaceutical, biological molecules and environmental pollution detection.

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Periodical:

Advanced Materials Research (Volume 683)

Pages:

419-424

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.683.419

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Online since:

April 2013

Authors:

Hui Bo Wang, Kai Tong, Chao Cong Gu, Weng Zhi Zeng, Jian Ru Lu

Keywords:

Biosensor, Refractive Index, Rigorous Coupled Wave Theory, Two-Dimensional Photonic Crystals, White Light Narrowband Reflection Spectrum

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