The branch of physics and engineering that studies the interaction between electrical fields and light, including technology based on these interactions.
From 'electrooptic' plus the suffix '-s' (indicating a field of study), following the pattern of 'optics', 'electronics', etc. The discipline emerged in the mid-20th century with advances in telecommunications and display technology.
Electrooptics is one of the hottest fields in modern technology—quantum computers, 5G networks, and advanced displays all depend on manipulating light with electrical fields in ways that would seem like magic just decades ago.
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