Laser beam is made up of
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O Electrons
Highly coherent photons
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Very light and elastic particles
O alpha particles
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LASER BEAM
Laser beam is made up of highly coherent photons.
GETTING TO KNOW MORE ABOUT LASER BEAMS:
* Monochromaticity refers to a single wavelength's pure spectral hue. If the line spread in frequency is narrow or tiny, a beam becomes increasingly monochromatic. The inhomogeneous broadening factors and homogeneous widening factors combine to produce this line width.
* Despite these widening devices, the line width of a laser is often much less than that of ordinary lights. When two beams of light have a consistent phase relationship or the phase difference between their waves is constant, they are coherent; if the phase connection is random or changeable, or the phase difference is not constant, they are incoherent.
* Sustained interference patterns can only be made by radiation released by coherent sources, which are usually created by splitting a single atom.