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The 5-Second Trick For เลเซอร์

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Lasers are distinguished from other mild sources by their coherence. Spatial (or transverse) coherence is usually expressed through the output currently being a slender beam, which is diffraction-limited. Laser beams might be centered to pretty very small spots, accomplishing an exceedingly superior irradiance, or they are able to have a https://scotta863lnq3.idblogz.com/profile

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