References:

U.A. Hrozhyk, S.V. Serak, N.V. Tabiryan, T.J. Bunning, Phototunable reflection notches of cholesteric liquid crystals, J. Appl. Phys. 104, 063102 pp.1-7, 2008.

S. V. Serak, N.V. Tabiryan, T. J. Bunning, Nonlinear transmission of photosensitive cholesteric liquid crystals due to spectral bandwidth auto-tuning or restoration, J. Nonlinear Optical Phys. & Mat., 16 (4), pp.471-483, 2007.

U. A. Hrozhyk, S.V. Serak, N.V. Tabiryan, T. J. Bunning, "Photoinduced isotropic state of cholesteric liquid crystals: novel dynamic photonic materials," Adv. Mater., 19, pp.3244-3247 (2007).

U. A. Hrozhyk, S.V. Serak, N.V. Tabiryan, T. J. Bunning, Optical tuning of the reflection of cholesterics doped with azobenzene liquid crystals, Advanced Functional Materials, 17 (11), pp.1735-1742, 2007.

Svetlana V. Serak, Nelson V. Tabiryan, Guram Chilaya, Andro Chanishvili, Gia Petriashvili, "Chiral azobenzene nematics phototunable with a green laser beam", Mol. Cryst. Liq. Cryst., 488, pp.42-55 (2008).