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Design and preparation method of fiber optoacoustic effect device used for artificial optical cochlea

机译:用于人工光学耳蜗的光纤效应装置的设计与制备方法

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Laser can stimulate sound wave, it's possible for fiber laser to evoke neural activity safely and produce the auditory perception, this acts as the electrode role in cochlear implant. Moreover, the laser is characterized by definite direction and optical signal between adjacent fibers don't readily interfere. Therefore, optical fiber cochlear implant based on optoacoustic effect is promising. The design and preparation of an experimental system based on optoacoustic effect is introduced in this paper. The selection of laser source and the control methods of optical signal were discussed, and testing results of the fiber optoacoustic effect, including the time domain waveforms and spectrograms of the evoked optoacoustic sound were given. Also, a preliminary discussion for the extended fiber array system applied in artificial fiber cochlea as an alternative to electrodes stimulation was progressed.
机译:激光可以刺激声波,光纤激光器可以安全地引起神经活动并产生听觉感知,这充当耳蜗植入物中的电极作用。此外,激光的特征在于相邻纤维之间的明确方向和光学信号,不容易干扰。因此,基于光声效应的光纤耳蜗植入物是有前途的。本文介绍了基于光声效应的实验系统的设计和制备。讨论了激光源的选择和光学信号的控制方法,并给出了光纤效果的测试结果,包括诱发光声声音的时域波形和谱图。而且,进展了对人造纤维耳蜗中施加的延伸光纤阵列系统的初步讨论作为电极刺激的替代。

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