Instead of letting it pass, the holes would reflect the light back toward the tip of the fibre optic cable, effectively turning the diaphragm into a mirror even as it still allowed water to pass.

不同于让光线透过，相反地，通过纤维光缆的一端，纳米孔会将光线反射回去，极有效地将振动膜变成一面镜子，即便水流可以通过。