Konrádsson K S, Ivarsson A, Harris S
Department of Otolaryngology, University of Lund, Malmö General Hospital, Sweden.
Acta Otolaryngol Suppl. 1988;449:183-6. doi: 10.3109/00016488809106406.
The vibrational movements of the tympanic membrane of human in vitro specimens were studied by computerized laser Doppler interferometry. The entire surface of the vibrating tympanic membrane was scanned with the laser beam and all information was stored digitally making it possible to recreate the movements as in slow motion on the oscilloscope. Single phases of interest from the vibrational cycle were plotted as shown. The resonance patterns at 0.58 kHz and 3.11 kHz are compared and the effect of different sound pressure levels on the vibrational movement of the tympanic membrane demonstrated.
通过计算机激光多普勒干涉测量法研究了人体体外标本鼓膜的振动运动。用激光束扫描振动鼓膜的整个表面，并将所有信息进行数字存储，从而能够在示波器上以慢动作再现这些运动。如图所示，绘制了振动周期中感兴趣的单个相位。比较了0.58千赫兹和3.11千赫兹时的共振模式，并展示了不同声压级对鼓膜振动运动的影响。
