首页|Laser beam induces reorientation in nematic liquid crystals

Laser beam induces reorientation in nematic liquid crystals

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  • NETL
  • NSTL
  • Trans Tech Publications Ltd
Nematic liquid crystals (NLCs) can be easily reoriented by the laser beam at the temperature closed to the nematic-isotropic phase transition (T_(NI)). At the temperature closed to T_(NI), the propagating mode of laser beam and the optically induced phase transition were explored by using a microscopic conoscope technique. This investigation demonstrates the formation of soliton at particular beam propagation modes. The interaction between nematic liquid crystals and the laser beam with different polarizations showed the nonlinearity in optical alignment.

liquid crystaloptical induced phase transitionreorientation

I-Min Jiang、Yu-Jen Chen、Wen-Chi Hung、C-T Kuo、D-J Jang、Chia-Chi Shin、Ming-Shan Tsai

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Department of Physics, National Sun Yat-sen University, Kaohsiung, 804, Taiwan, R.O.C.

Department of Electronics and Information Engineering, Tung-Fung Institute of Technology, Kaohsiung, 82941, Taiwan, R.O.C.

Department of Applied Physics, National Chiayi University, Chiayi, 600, Taiwan, R.O.C.

2010

10.4028/www.scientific.net/KEM.428-429.224

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.428/429
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