Emitted Lights vs. Excitation Lights

What's the Difference?

Emitted lights and excitation lights are both types of light sources used in various scientific and technological applications. Emitted lights refer to the light that is naturally produced by a substance or material, such as the glow emitted by a heated metal or the fluorescence emitted by certain molecules when exposed to specific wavelengths of light. On the other hand, excitation lights are external light sources that are used to stimulate or excite a substance or material to emit light. This can be achieved by shining a specific wavelength of light onto the material, causing it to absorb the energy and re-emit it as light of a different wavelength. While emitted lights are a result of natural processes, excitation lights are deliberately used to induce light emission for specific purposes, such as in fluorescence microscopy or in the study of luminescent materials.

Comparison

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