为何选择对射光束的传感器?。
对射光束一体的槽型光电传感器可设计到任何流水线上生产过程。
Teopto self-contained thru-beam sensors are designed to streamline any production process.
当入射光束与出射光束平行时，单色同心光学系统空间任一点成几何理想像。
If a monocentric system existed for which an incident collimated beam emerged as exactly collimated, then the system would give geometrically perfect imaging of any point in space.
考虑到光纤出射光束的发散，在有效反射率中引入了损耗因子，讨论了它的基本工作原理。
Its principle is discussed, taking the divergent optical beam emitted from the fiber into consideration, which causes a loss factor for the effective reflectance.
通过衍射图可以看出出射光束的发散程度随着角度误差的增加而增加，直至完全分离成六束光束。
The patterns show that divergence of the emerging beam increases with the dihedral angle offset up to completely separate to six beams;
该方法借助一个焦距较长的凸透镜与被测凹透镜组成无焦系统，可以使准直管出射光束的张角发生改变；
Firstly, a telescope system is made up with a concave lens and a long-focus convex lens, by which the angle of the parallel beam from the collimator can be change.
用失调望远系统的失调量变化调节出射光束聚焦点的位置，并对聚焦点的变化范围和光斑大小进行描述。
The misadjusting parameter of the misadjusted telescopic system is used to adjust the focusing posit ion of outgoing beam.
因为尖劈耦合器形成的光束是由许多出射角稍有不同的光线组成的，放出射光束的特点是具有较大的发散度。
Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoing beam is characterized by a relatively large divergence.
通常采用单个透镜，透镜组或者光纤微透镜的方式来改善半导体激光器的出射光束质量，提高耦合效率和容忍度。
The mostly used techniques to improve the coupling efficiency and alignment tolerance include using micro single lens, micro lens group and lensed fiber.
无线电射束也象探照灯的光束一样，是不能高度集中的；它总要散开。
Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.
本文首次研究了高斯光束通过非线性梯度拆射率棒透镜的色差特性。
The characteristics of the chromatic aberration of Gaussian beams through a nonlinear graded index rod lens are studied for the first time to our knowledge.
本文还提出了广义光束法的概念和方法。 理论上，广义光束法是更适合于普通数码影像的量测算法，其对影像仿射变形有补偿能力。
The article also presents the concept and the method of generalized bundle method, which has the ability to compensate the affine distortion.
全光线是由对射的红外线光线和接收器组合成的，共有单光和双光两个光束组成。
The whole light is composed of a pair of infrared rays and receivers, consisting of two beams of single light and double light.
经过理论分析可知，激光测距系统的出射激光功率以及光束质量是影响测距系统性能最主要的两个因素。
Through theoretical analysis we can find that the laser power and the beam quality are the most important factors that affect the performance of the laser ranging system.
其优点在于光束质量好、可以任意改变光束的出射方向和位置。
Its advantage is that the light beam quality is good, the light beam emitting direction and position can be changed optionally.
采用棱镜透镜组合装置把出射激光束经发射通道聚焦成像，根据光斑半径测量束散角。
Using assembled unit of prism and lens, the laser beam from firing channel is focalized and imaged.
根据能量守恒原理， 推导了高斯光束整形系统中任意光线在入射面与出射面的坐标变换关系。
The relationship of coordinate transformation of arbitrary rays in an incident plane and an image plane was deduced based on the law of energy conservation.
根据能量守恒原理， 推导了高斯光束整形系统中任意光线在入射面与出射面的坐标变换关系。
The relationship of coordinate transformation of arbitrary rays in an incident plane and an image plane was deduced based on the law of energy conservation.
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