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.
最终采用衍射光栅单色仪作为测量光电器件光谱特性的设备。
Finally adopted a diffraction grating monochromator spectral characteristics of optoelectronic devices as measuring equipment.
最终采用衍射光栅单色仪作为测量光电器件光谱特性的设备。
Finally adopted a diffraction grating monochromator spectral characteristics of optoelectronic devices as measuring equipment.
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