聚焦镜原理:聚焦镜是激光打标机的重要配件之一,目的是将激光在整个工件标刻平面形成聚焦。其性能指标主要有以下几条:
2005 年Alips 等人[1.18]提出以高能量密度之雷射光束来叠焊镀锌钢板,其原理是利用聚焦镜 (focusing mirror)转为两组不同焦点长度的分支光束(sub-beams),前一光束用 以产生穿透镀锌板之锌层重叠区域的熔池,后面的光束再将前一光束在最...
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采用美国进口聚焦镜和金属反射镜,切割力强。
The United States imports focusing mirrors and metal mirrors, cutting and strong.
给出两个聚焦镜的像差测量结果,验证了该装置的有效性。
Experimental results of aberration measurements of two lenses are given to verify the usefulness of the setup.
大多数天线被制成碟形,用以收集和反射无线电波至亚反射器,就像曲面镜将可见光聚焦于一点一样。
Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
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