Fiber optic cables and lasers capable of sending pulses of light down them already existed when Dr. Kao started working on fiber optics.

当高锟开始研究光纤学的时候激光能够发射光脉冲通过光纤和已经存在。

youdao

Some of this light would then travel back to the door and be reflected into the camera.That much is basic optics.

它不记录直接反射回来的光线，而是记录下在进入相机前被反射过多次的光。

youdao

Some of this light would then travel back to the door and be reflected into the camera. That much is basic optics.

它不记录直接反射回来的光线，而是记录下在进入相机前被反射过多次的光。

youdao

When combined with a suitable light source and projection optics, the array of mirrors can project an image.

ECONOMIST: Curtains for celluloid

Cisco Though a laggard in optics, it has seen the light and is buying talent at a fast pace.

FORBES: Young guns...

Come 2012, Light Blue Optics wants to go high volume, selling between 10, 000 and 100, 000 devices the size of a mobile phone, that can project an even bigger image (15 inches wide), and soon after that bring out a device the size of a USB stick.

FORBES: Meet The Projector That Could Put The iPhone's Screen On Your Desk