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The 5-Second Trick For เลเซอร์

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Lasers are distinguished from other mild resources by their coherence. Spatial (or transverse) coherence is typically expressed in the output being a narrow beam, and that is diffraction-minimal. Laser beams is usually concentrated to quite tiny places, obtaining an incredibly substantial irradiance, or they are able to have an exceedingly https://scotts630fhk1.blogdeazar.com/profile

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