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Afocal four-mirror system for optical telecommunications has aspherical mirrors for high magnification, central shadowing is prevented with tilted mirrors
Afocal four-mirror system for optical telecommunications has aspherical mirrors for high magnification, central shadowing is prevented with tilted mirrors
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机译:用于光通信的无焦点四镜系统具有非球面镜以实现高放大倍率,使用倾斜镜可防止中央阴影
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摘要
The multiple-mirror system has aspherical mirrors (3-9) with which high magnification is achieved, whereby central shadowing is prevented with at least two mirrors tilted with respect to the optical axis. At least three of the mirrors of a four-mirror system or the fourth mirror are spherical.
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