References
- De Gennes , P. G. 1974 . The Physics of Liquid Crystals , Oxford : Oxford University Press . Chap. 6; S. Chandrasekhar, Liquid Crystals, Cambridge University Press, Cambridge, 1977, Chap. 4.
- Haas , W. E. L. and Adams , J. E. 1974 . Appl. Phys. Lett. , 25 : 535 V. G. Bhide, S. C. Jain, and S. Chandra, J. Appl. Phys., 48, 3349 (1977).
- Zolot'ko , A. S. , Kitaeva , V. F. , Kroo , N. , Sobolev , N. I. and Csilag , L. 1980 . Pis'ma Zh. Exp. Teor. Fiz. , 32 : 170 [JEPT Lett., 32, 158 (1980)]; D. Durbin, S. M. Arakelian, and Y. R. Shen, Phys. Rev. Lett., 47, 1411 (1981).
- Abbate , G. , Maddalena , P. , Marrucci , L. , Saetta , L. and Santamato , E. 1991 . J. Phys. B , 1 : 543
- De Gennes , P. G. 1974 . The Physics of Liquid Crystals , Oxford : Oxford University Press . Chap. 6.
- Ong , H. L. 1983 . Phys. Rev. , A28 : 2393 See, for example
- the power was actually held to a few milliwatts . To see the ring pattern