Acousto-optic scanning system with very fast non-linear scans

Nir Friedman, Ariel Kaplan, and Nir Davidson

A very fast acousto-optic scanning system, which relies on two counter propagating acoustic waves with the same frequency modulation, is proposed and experimentally demonstrated. This scheme completely suppresses the linearfrequency chirp, and thus enables very fast non-linear scans and non-constant linear scans. By changing the phase between the modulating signals, this scheme also provides very fast longitudinal scans of the focal point.

"Acousto-optic scanning system with very fast non-linear scans", N. Friedman, A. Kaplan, and N. Davidson, Opt. Lett. 25, 1762 (2000). (PDF)

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