A collimated beam of light or other electromagnetic radiation has parallel rays and therefore will spread minimally as it propagates. A perfectly collimated light beam, with no divergence, would not disperse with distance.
« Back to Glossary IndexA collimated beam of light or other electromagnetic radiation has parallel rays and therefore will spread minimally as it propagates. A perfectly collimated light beam, with no divergence, would not disperse with distance.
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