ZEMAX software is used for optical ray tracking of the system to get images after cylindrical lens.

利用ZEMAX光学软件对系统进行光线追迹获得光束经过柱面镜后的聚焦情况。

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Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.

赫斯博士构想出一个画面，即一道光正穿越于一个由两种材料制作的光导纤维，一种是具有正折射指数的纤维核，另一种则是具有正折射指数的外围。

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The combination of this unusual X-ray and optical emission makes this a remarkable object.

这一不寻常的X射线和光发射的组合使它成为一个显著的对象。

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These new models feature ATI Radeon HD4670 video cards, a subwoofer, Dolby Surround II capabilities, 16:9 cinema-level displays, and Blue-ray optical drives.

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Plextor continues to deliver generations of innovative industry-leading products, including Blu-ray optical disc drives, solid state drives, digital video converters and multimedia devices.

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Plus, the line was developed to support new technologies as they become more widespread, such as Blu-ray optical drives for enjoying the latest high-definition movies.

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