Photoinduced periodic grating in cholesteric liquid crystals
Zolot'ko A. S., Kitaeva V. F., Sobolev N. N., Fedorovich V. Yu., Shtykov N. M.
A new nonlinear effect has been observed: A periodic grating forms in a cholesteric liquid crystal when it is illuminated with the beam from an argon-krypton laser. The beam is diffracted by this grating.