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What is the basic principle on which optical source work? With the help of a LED structure explains its working.
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written 2.9 years ago by | • modified 2.9 years ago |
The basic principle on which optical source work is absorption, spontaneous emission and stimulated emission.
When light is incident on a semiconductor material, some photons get absorbed in the material which then transfer their energy to the electrons in the ground state and cause them to migrate to the excited …