Aligned into a parallel beam or brought into proper alignment; describing light rays or mechanical systems that have been adjusted to run parallel to each other.
From the past participle of Latin 'collimare/collineare,' meaning 'to make straight or aligned together.'
When astronomers talk about a 'collimated beam' from a telescope, they're describing light that has traveled millions of years intact—collimation ensures those ancient photons stay perfectly organized when they finally reach Earth!
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