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Novel Design of Electrical Sensing Interface for Prosthetic Limbs Using Optical Micro Cavities

Amir R.Ali1,2,3Mohamed A.Kamel1,2

1. Applied-Science & Robotics Laboratory for Applied-Mechatronics(ARAtronics Lab.)2. Mechatronics Engineering Department,German University in Cairo3. Micro-Sensor Laboratory,Mechanical Engineering Department,Southern Methodist University

摘要:This paper uses optical whispering galley modes(WGM) cavities to construct a new electrical sensing interface between prosthetic limb and the brain.The sensing element will detect the action potential signal in the neural membrane and the prosthetic limb will be actuated accordingly.The element is a WGM dielectric polymeric cavity.WGM based optical cavities can achieve very high values of sensitivity and quality factor;thus,any minute perturbations in the morphology of the cavity can be captured and measured.The action potential signal will produce an applied external electric field on the dielectric cavity causing it to deform due to the electrostriction effect.The resulting deformation will cause WGM shifts in the transmission spectrum of the cavity.Thus,the action potential or the applied electric field can be measured using these shifts.In this paper the action potential signal will be simulated through the use of a function generator and two metal electrodes.The sensing element will be situated between these electrodes to detect the electrical signal passing through.The achieved sensitivity is 27.5 pm/V in measuring the simulated action potential signal;and 0.32 pm/V.m-1 in measuring the applied electric field due to the passage of the simulated signal.
会议名称:

2017 International Conference on Biotechnology and Bioengineering (ICBB-2017)

会议时间:

2017-09-26

会议地点:

Offenburg, Germany

  • 专辑:

    基础科学; 医药卫生科技

  • 专题:

    生物学; 生物医学工程

  • 分类号:

    R318

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