Definition of «excitation»

Excitation refers to a state or condition in which something is stimulated, aroused, or energized. It can also refer to an increase in activity or enthusiasm, as well as a heightened emotional response. In physics, excitation means the process of raising an electron from its ground level energy state to a higher energy state by the absorption of electromagnetic radiation such as light.

Usage examples

Excitation of neurons in the brain can lead to various cognitive processes, such as learning and memory.
The excitation of a muscle cell triggers a series of events that result in muscle contraction.
In physics and engineering, excitation refers to the stimulation or initiation of an oscillatory or vibrating system, such as in an electric circuit or a mechanical structure.
In the field of optoelectronics, the excitation of electrons in a semiconductor material is crucial for generating light emission in devices like lasers and LED.
Excitation signals are used in audio engineering to test the performance and response of speakers and other audio equipment.

Phrases with «excitation»

Sentences with «excitation»

Random forces would usually occur where shear between large bodies of water / atmosphere interact The processes of excitation of the many modes of the CO2 molecule may need further research.so the energy in photons absorbed or emitted is correctly represented. (judithcurry.com)
Such processes involve chemical reactions, light absorption, formation of excited electronic states, transfer of excitation energy, and transfer of electrons and protons in chemical processes. (quantbiolab.com)
Lightsheet microscopes that project ultra-thin sheets of excitation light through multiple focal planes of a sample may also be useful for providing fast imaging along with optical sectioning (5). (blog.addgene.org)
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Definition of «excitation»

Usage examples

Phrases with «excitation»

Sentences with «excitation»

See also