激光是一种单色光（Coherent light），可以直接发射出物体表面的细节部分，也就是把激光照射在物体表面所产生的干涉条纹而形成的光斑点反射到传感器上，而无需像传统...
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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.
本文介绍了用激光作单色光源测定光栅光谱仪仪器轮廓的一种新方法。
In this paper, a new measuring method of instrumental profile of grating spectrograph is introduced by using the laser as a monochromatic light source.
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