Abstract
The influence of optical activity on two-beam coupling in a (110)-cut cubic photorefractive Bi12SiO20 crystal has been investigated in a number of papers (e.g., [1,2]) for the case of two typical configurations K→‖[001] and K→‖[001], where K→ is the grating vector. The simultaneous diffraction of two light beams has been considered in [3] for arbitrary orientation of the vector K→ from the point of view of the electrooptic grating model. However, the results of [4] testify to the necessity of taking into account the piezoelectric and photoelastic properties of the crystal during the process of refractive index grating formation.
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