Gaussian beam

例句：

1. 1. The Gaussian beam is used in optics to transmit light through a transparent medium.
   高斯光束在光学中用于通过透明介质传输光。
2. 2.The Gaussian beam was used to illuminate the dark room.
   高斯光束被用来照亮黑暗的房间。
3. 3. The Gaussian beam has a narrow width and can be focused to a small spot.
   高斯光束具有窄的宽度，并且可以被聚焦到一个很小的点上。