• The optical aberration difference between the biconvex Fresenl lens and the plane-convex Fresenl lens was investigated by designing a large aperture Fresenl lens.

    通过一个尺寸菲涅尔透镜设计,比较了曲面菲涅尔透镜和平面菲涅尔透镜光学像差方面的差异

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  • In the experiment we used convex-plane unstable resonator, and analysis the convex mirrors and gain medium thermal lens as a telescope system.

    实验采用平直线非稳将凸面镜增益介质透镜效应等效望远镜系统进行分析

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  • This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.

    利用平-凸透镜准直器作耦合光学系统,采用低频斩光器实现光调制。

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  • Among the reshaping systems converting a Gaussian beam to a flattop beam, the system composed of a plane-concave and a plane-convex lens, is a relatively simple structure.

    高斯光束整形平顶光束的整形系统中,两个非球面镜组成的系统比较简单结构形式,该系统由平凹镜和平凸组成。

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  • A piano-convex cylinder lens is utilized to convert the laser beam to plane, to forms a stripe on the welding works. Two frames of stripe image are captured by the cameras synchronously.

    采用安装在机器人末端台摄像机和激光器构成测量系统,激光器发出的光束经平凸柱面变成光平面,在形成条纹

    youdao

  • A piano-convex cylinder lens is utilized to convert the laser beam to plane, to forms a stripe on the welding works. Two frames of stripe image are captured by the cameras synchronously.

    采用安装在机器人末端台摄像机和激光器构成测量系统,激光器发出的光束经平凸柱面变成光平面,在形成条纹

    youdao

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