SciEnggJ. 2022 15 (2) 108-110
available online: October 26, 2022
Light it up, twice the frequency!
When light interacts with matter, it senses a gathering of electrons drawn by atomic nuclei. Its movement slows or hastens, depending on how dense and crowded the assembly is. It blazes through them, perturbing them to excitement! As these electrons transition from one energy state to another, and as they change speed and direction, they chirp! Trilling electromagnetic waves, that once again materialize into light! As if commanded, “Let there be light!”, and from one wavelength forms another–a different light of a different wavenumber. A reminder it seems, that light begets light, and illumination begets enlightenment, even brilliance…
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Formerly Philippine Science Letters (PSL)