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首页> 外文期刊>Applied optics >Chirality parameter sensing based on surface plasmon resonance D-type photonic crystal fiber sensors
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Chirality parameter sensing based on surface plasmon resonance D-type photonic crystal fiber sensors

机译：基于表面等离子体共振D型光子晶体光纤传感器的手性参数检测

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摘要

We report a method to sense a surrounding chiral drug based on D-type single-mode photonic crystal fiber (PCF) sensors in this paper. The electromagnetic theory of surface plasmon resonance on metal-chiral drug structure is derived. The wave equation containing constitutive relations of a chiral drug is given and integrated into the finite element method to compute the effective refractive index, confinement loss, and plasmon resonance wavelength for a D-type PCF sensor immersed in the chiral drug. The effects of the chirality parameter on resonance behaviors are displayed. The wavelength sensitivities of the chirality parameter for the sensor changing with different kinds of metal film layers, side-polished depth, and thickness of metal film layer are calculated. The wavelength sensitivity can reach a maximum of 17,580 nm/chirality as the refractive index and chirality parameter of the drug are 1.36 and 0.08, respectively. Furthermore, simultaneous dual-parameter detection of the chirality parameter and refractive index is realized by using two different D-type PCF sensors with gold and silver metal film layers, respectively. This study may provide sufficient guidelines to the field of biochemical sensing. (C) 2021 Optical Society of America
机译：本文报道了一种基于D型单模光子晶体光纤（PCF）传感器检测周围手性药物的方法。推导了金属手性药物结构表面等离子体激元共振的电磁理论。给出了包含手性药物本构关系的波动方程，并将其集成到有限元方法中，以计算浸入手性药物中的D型PCF传感器的有效折射率、限制损耗和等离子体共振波长。显示了手性参数对共振行为的影响。计算了传感器的手性参数随不同金属薄膜层、侧面抛光深度和金属薄膜层厚度变化的波长灵敏度。当药物的折射率和手性参数分别为1.36和0.08时，波长灵敏度最高可达17580nm/手性。此外，通过使用两种不同的D型PCF传感器，分别使用金和银金属薄膜层，实现了手性参数和折射率的同时双参数检测。这项研究可能为生化传感领域提供足够的指导。（2021）美国光学学会

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  • 来源
    《Applied optics》 |2021年第12期|共8页
  • 作者

    Fan Bo; Zhang Tongmengxue; He Simin; Wang Maoyan; Li Hailong; Yu Mengxia; Li Guiping; Xu Jun;

  • 作者单位

    Univ Elect Sci &

    Technol China Sch Phys Chengdu 610054 Peoples R China;

    Univ Elect Sci &

    Technol China Sch Informat &

    Commun Engn Chengdu 610054 Peoples R China;

    Univ Elect Sci &

    Technol China Sch Phys Chengdu 610054 Peoples R China;

    Univ Elect Sci &

    Technol China Sch Phys Chengdu 610054 Peoples R China;

    Univ Elect Sci &

    Technol China Sch Elect Sci &

    Engn Chengdu 610054 Peoples R China;

    Univ Elect Sci &

    Technol China Sch Phys Chengdu 610054 Peoples R China;

    Univ Elect Sci &

    Technol China Sch Phys Chengdu 610054 Peoples R China;

    Univ Elect Sci &

    Technol China Sch Phys Chengdu 610054 Peoples R China;

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