What was the active medium used in the first working laser ever constructed?

A diamond block
Helium-neon gas
A ruby rod
Carbon dioxide gas

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

Theodore Maiman built the first working laser using a ruby rod while working at Hughes Research Laboratories in Malibu, California. It lased for the first time on May 16, 1960.

4 views Answered 2022-09-01 13:21

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