Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.
摘要激光是一种新型光源,激光与普通光相比,具有很好的、方向、相干和高度以及高功率、高能点。
Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.
摘要激光是一种新型光源,激光与普通光相比,具有很好的、方向、相干和高度以及高功率、高能点。
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