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Design and analysis of a range-extended acidity detector based on Nile red laser with tandem cuvette system [Early Posting]

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摘要

A range-extended acidity detector based on Nile red was designed and analyzed in this work. In light of the good lasing property and solvatochromism characteristic of Nile red/ethanol solution, we have obtained laser spectra of sulfuric acid in different concentrations doped in this substrate. Moreover, to expand the acidity detection range, we proposed a tandem cuvette system containing Rhodamine 6G/ethanol and Nile red/ethanol. Consequently, the detection range could be enlarged from 26 nm to 40 nm, not only by the wavelength peak but also by the intensity ratio of dual-wavelength laser output. In addition, by changing the detection and substrate material the whole detection range could be expanded, and therefore a wide range of applications in polarity and acidity detection could be implemented via this method.

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作者单位:

    中国科学技术大学,强激光技术研究所
    中国科学技术大学物理系光子技术实验室
    安徽省合肥市四号信箱中国科技大学物理系
    中国科学技术大学物理系光子技术实验室

引用该论文

Fang Yuwei,Cheng Junjie,Wang Shengbo,Gu Chun,Zou Gang,Ming Hai,Xu Lixin. Design and analysis of a range-extended acidity detector based on Nile red laser with tandem cuvette system[J].Chinese Optics Letters,2020,18(11):11.