Do we use optics in other branches of physics ?

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Optics plays a significant role in various branches of physics, including high-energy physics, quantum mechanics, and particle physics. Many modern quantum mechanics experiments rely on light and incorporate numerous optical elements. In high-energy and particle physics, optics is utilized to focus light on detectors, enhancing experimental accuracy. While understanding optics is beneficial, it is not essential for grasping the fundamentals of particle physics. Overall, the mathematical techniques and concepts from optics are frequently applied across different physics disciplines.
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it is necessary to study the branch physics optics to use it in high energy physics , quantum mechanics and particle physics? To be more be more precise do use optics at all in these 3 ?
 
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Nearly all modern experiments about quantum mechanics use light in some way, often the experiments are a huge collection of optical elements.

Experiments in high-energy physics / particle physics can use optics to focus light on detectors, for example. It is not necessary to know it to understand particle physics, however.In the time you spend trying to classify everything, you could probably learn a lot about physics...
 
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