Which of the following was the first working laser?

Disk laser
Ruby laser
Carbon dioxide laser
Argon – ion laser

LohaHridoy

6 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 2 : Ruby laser

First working model of laser based on the theoretical principles was made in 1960 by shining a high power flash lamp on a ruby rod with silver coated surfaces.

6 views Answered 2022-09-04 04:29

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