Why do lasers diverge?

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Tags

1. #resonance
2. #single
3. #diverge
4. #emitting
5. #beams
6. #infinitely
7. #infinite
8. #along
9. #direction
10. #collimated
11. #atoms
12. #cavity
13. #because
14. #distance
15. #would
16. #laser
17. #require
18. #photons