Acousto-optic systems for advanced microscopy

M Duocastella, S Surdo, A Zunino… - Journal of Physics …, 2020 - iopscience.iop.org
Acoustic waves in an optical medium cause rapid periodic changes in the refraction index,
leading to diffraction effects. Such acoustically controlled diffraction can be used to …

Laser beam array spot steering customized trajectories using the acousto-optic effect

A Guessoum, A Bencheikh - Applied Optics, 2023 - opg.optica.org
We demonstrate a proof of principle of a technique for array laser beam steering according
to a generalized elliptical path, using the acousto-optic effect. We explore the dynamic …

Convexity and concavity control of laser beam using a frequency modulated acoustic wave

A Guessoum - Acoustical Physics, 2022 - Springer
The transformation of Gaussian beam into a flat top one is realized by interaction of laser
beam with two perpendicular sinusoidal ultrasonic waves operating in Raman–Nath regime …

Laser beam steering according to linear trajectories using an acousto-optic cell

A Guessoum - Acoustical Physics, 2023 - Springer
When two frequency modulated acoustic waves propagate perpendicularly in an optically
transparent medium, a two-dimensional periodic modulation of the refractive index is …

Acousto-optic scanning of a laser beam along a reconfigurable circular trajectory

A Guessoum - Acoustical Physics, 2023 - Springer
The interaction of a laser beam with two frequency modulated ultrasonic waves propagating
in two perpendicular directions permitted the development of two outstanding fields; beam …

Spatial representation of Lissajous trajectories by an optical method

A Guessoum, IY Bouderbala - Applied Physics A, 2024 - Springer
Acousto-optic deflectors (AODs) do not contain moving parts and therefore they are free of
drawbacks associated with mechanical deflectors and exhibit tunable trajectories and …

Generation of an Optical Spatial Array Oscillating According to Tunable Trajectories and Velocities

A Guessoum, IY Bouderbala - Acoustical Physics, 2024 - Springer
Beside the numerous applications obtained by the interaction of a laser beam with acoustic
waves, another application have recently emerged that allows generating an optical …