发明申请
US20120249988A1 OPTICAL BEAM DEFLECTING ELEMENT, ILLUMINATION SYSTEM INCLUDING SAME, AND RELATED METHOD 有权
光束偏转元件,包括其的照明系统及相关方法

OPTICAL BEAM DEFLECTING ELEMENT, ILLUMINATION SYSTEM INCLUDING SAME, AND RELATED METHOD
摘要:
An optical beam deflecting element may be used effectively as an energy distribution manipulator in an illumination system to vary the energy distribution within a given spatial intensity distribution in a pupil plane of the illumination system substantially without changing the shape and size and position of illuminated areas in the pupil plane.
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