Mündliche Prüfung »   Acousto-optic Deflectors

In the world of precision photonics, traditional mechanical scanning mechanisms—like galvanometers and rotating polygonal mirrors—have long been the industry workhorses. They are reliable, familiar, and capable of handling wide scan angles. However, as modern industries push into the realms of micro-machining, quantum computing, and ultra-fast biomedical imaging, the physical limitations of inertia, mechanical wear, and settling times are becoming critical bottlenecks.
Enter the advanced Acousto-optic Deflector (AOD). By leveraging the interaction between acoustic waves and a crystal medium to diffract laser light, AODs eliminate moving parts entirely. This shift from mechanical translation to solid-state control unlocks unprecedented random-access pointing speeds, allowing laser beams to jump from one precise position to another in mere microseconds.
https://www.cq-smart.com/acousto-optic-deflectors-principles-applications-and-resolution