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VOLUME 30 (1979) | ISSUE 8 | PAGE 510
Induced light scattering in the mesophase of a nematic liquid crystal (IMLC)
The process of induced scattering (IS) of light in the mesophase of an NLC, i.e., the amplification process of a weak field, frequency-shifted relative to the monochromatic strong field, is discussed. Two IS mechanisms are considered: 1) nonstationary rotation of the direction of the magnetic field by the interfering fields and 2) nonstationary heating of weakly absorbing NLC by the interfering fields. A calculation yields an extremely high gain coefficient and a low IS threshold power.