激光器是将光放大，产生光束的设备。它是一种距离远、直线性、单色光，它有固体、气体、半导体、液体。
Lasers are devices which amplify and produce beams of light which are very distance, directional, and pure in color. They can be solid state, gas, semiconductor, or liquid.
半导体纳米微粒因其非线性折射率高、响应时间快而在过去的十年里倍受关注。
Semiconductor nanoparticles, which own large nonlinear refractive index and fast response speed, have been extensively studied in the last decades.
这个课程模块介绍了线性放大器范围中的半导体器件的特征。
This module introduces the characteristics of semiconductor devices in a range of linear applications.
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