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.

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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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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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