The sun’s gravitation was bending the beam of light.
太阳的引力使光束弯曲。
The sun’s gravitation was bending the beam of light.
太阳的引力使光束弯曲。
In the usual lives, laser beam need either propagation through optical system to interreact with other material or in order to satisfy the parameter require.
在实际应用
激光束要通过光学
统后与物质相互
用或为了满足参数要求需要通过光学统加以变换。
Satellite retroreflector is used as laser ranging cooperative target to improve the intensity of reflected beam, which has close relationship with processing parameters of the retroreflector.
卫星角反射器为激光
统的
标, 其主要用在于提高地面接收机范围内反射光束的能量密度。
Based on the double refraction principle of outgoing beam in the biprism,the displacement method for measuring the small angle of biprism is presented.The error of this method is also discussed.
利用双棱镜引起出射光束方向双向偏折的原理,提出了一种位移法量玻璃双棱镜微小底角的新方法,介绍了量的基本原理,讨论了量误差.
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