Polarization-Dependent Optical Sensor Based on Reduced Graphene Oxide

Polarization-Dependent Optical Sensor Based on Reduced Graphene Oxide
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基于还原氧化石墨烯的偏振相关光学传感器

DOI:
10.1109/lpt.2017.2684299
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发表时间:
2017-05
影响因子:
2.6
通讯作者:
Zhao Yue
Zhao Yue
中科院分区:
工程技术3区
文献类型:
--
作者:
Guohua Liu;Jun Yu;Lixia Xie;Zheng Dou;Wei Zhang;Zhao Yue

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报道了一种基于还原氧化石墨烯(RGO)的偏振相关光学传感器,并展示了其在折射率测量中的应用。在全内反射条件下,RGO的S偏振吸收在4001100 nm范围内是唯一的,其幅度对与RGO接触的介质敏感。为了优化传感器的性能,我们进行了详细的计算和实验。光学传感器的灵敏度为<内联公式><特技数学符号=“LaTeX”>$3.10~\Delta$</特技-数学&>R/RIU,其分辨率为<内联公式><特克斯-数学符号=“Laex”>$9.7\x 10^{-4}$</特克斯-数学&>t;/内联公式>RIU。
We report a polarization-dependent optical sensor based on reduced graphene oxide (rGO) and demonstrate its applications in detecting refractive indices. The s-polarized absorption of the rGO under the conditions of total internal reflection is unique over the range of 400–1100 nm and its amplitude is sensitive to the media that is in contact with the rGO. We have conducted detailed calculations and experiments to optimize the performance of the sensor. The sensitivity of the optical sensor is <inline-formula> <tex-math notation="LaTeX">$3.10~\Delta $ </tex-math></inline-formula> R/RIU and its resolution is <inline-formula> <tex-math notation="LaTeX">$9.7\times 10 ^{-4}$ </tex-math></inline-formula> RIU.
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