Recent developments and results in 2D acousto-optic light deflection

摘要

A novel approach for 1D and 2D acousto-optic deflector design is presented. 2D deflectors are optimally built of two adjacent Bragg cells in acoustically rotated configuration. The depleting effect of second order diffraction is compensated by a small change of the optical incidence angle. High bandwidth devices working below 100 MHz acoustic frequency and 1 W acoustic power are reported. Several experimental results on deflectors for 633 nm and 1064 nm optical wavelengths are presented.