Chin. Phys. Lett.  2005, Vol. 22 Issue (7): 1656-1659    DOI:
Original Articles |
Beam Shaping by Using the Liquid Crystal Panel of a Commercial Display Device
SUI Zhan1,2;ZHAO Run-Chang2;ZHU He-Yuan1;ZHANG Xiao-Min2;ZHENG Wan-Guo2;QIAN Lie-Jia1
1State Key Laboratory for Advanced Photonic Materials & Devices, Department of Optical Science and Engineering, Fudan University, Shanghai 200433 2Center for High Energy Laser and Physics, China Academy of Engineering Physics, Mianyang 621900
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SUI Zhan, ZHAO Run-Chang, ZHU He-Yuan et al  2005 Chin. Phys. Lett. 22 1656-1659
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Abstract The liquid crystal (LC) panel of a commercially-available LCD projector is successfully used for beam shaping, and a Gaussian beam is converted to a square super-Gaussian beam using the configuration of amplitude modulation. The additional phase modulations imposed by the LC modulator on the shaped beams are measured precisely using an interferometric technique. The experimental results have demonstrated that such a commercially-available programmable spatial light modulator is applicable to beam shaping with negligible additional phase modulation.
Keywords: 41.85.Ct      42.79.Kr      42.30.Lr      42.60.Jf     
Published: 01 July 2005
PACS:  41.85.Ct (Particle beam shaping, beam splitting)  
  42.79.Kr (Display devices, liquid-crystal devices)  
  42.30.Lr (Modulation and optical transfer functions)  
  42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I7/01656
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SUI Zhan
ZHAO Run-Chang
ZHU He-Yuan
ZHANG Xiao-Min
ZHENG Wan-Guo
QIAN Lie-Jia
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