光从光密介质射向光疏介质时，当入射角超过某一角度C（临界角）时，折射光完全消失，只剩下反射光线的现象叫做全反射。本原理可以用于解释海市蜃楼现象。
气泡检测器是基于光的全反射原理。
The optical bubble-detector is based on the principle of total internal reflection.
提出一种利用全反射原理，精确测量生物组织以及一般均匀介质折射率的方法。
A simple method based on total internal reflection is presented for accurately measuring the refractive index of biological tissue.
利用全反射原理，设计了特殊的圆台压平棱镜探头，可线性测量角膜的压平面积。
Based the principle of total reflection, the unique cone applanation prism is designed, by which the applanation area of ocular cornea can be measured linearly.
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