Determination of the chromatic dispersion of liquids based on the liquid-prism SPR configuration in angular and spectral interrogations

Guoqiang Lan; Shugang Liu; Yuxiao Wang; Xueru Zhang; Yinglin Song

doi:10.1117/12.2199653

8 October 2015 Determination of the chromatic dispersion of liquids based on the liquid-prism SPR configuration in angular and spectral interrogations

Guoqiang Lan, Shugang Liu, Yuxiao Wang, Xueru Zhang, Yinglin Song

Author Affiliations +

Proceedings Volume 9677, AOPC 2015: Optical Test, Measurement, and Equipment; 96771B (2015) https://doi.org/10.1117/12.2199653
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

In this work, we use the liquid-prism SPR sensing configuration to determine the chromatic dispersion of different liquids, since the condition of SPR is sensitive to the refractive index of the liquid prism. We use the glass slide coated with 50 nm Au film as the sensing chip, and use AvaLight - HAL (360 nm - 2500 nm) light source as the broaden band light source in our experiments. We adopt the deionized water as the standard sample to determine the chromatic dispersion of different liquid samples (ethanol and n-hexane), and we implement the experiment through the SPR sensing configuration in angular and spectral interrogations. According to the experimental data, the chromatic dispersions of ethanol and n-hexane are obtained. The proposed technique provides a new high sensitive method for the determination of chromatic dispersion of liquids.

Citation Download Citation

Guoqiang Lan, Shugang Liu, Yuxiao Wang, Xueru Zhang, and Yinglin Song "Determination of the chromatic dispersion of liquids based on the liquid-prism SPR configuration in angular and spectral interrogations", Proc. SPIE 9677, AOPC 2015: Optical Test, Measurement, and Equipment, 96771B (8 October 2015); https://doi.org/10.1117/12.2199653

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