Physics Today on Twitter: "This 2010 story and addendum shed more light on the "work at Bell Labs in the summer of 1960 that led to the creation of the first ruby
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͑ a ͒ Theodore Maiman's first laser, removed from aluminum cylinder... | Download Scientific Diagram
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Korad's first commercial ruby laser, serial #001 of model RL-4KCS. The... | Download Scientific Diagram
File:Ruby laser main.png - Wikimedia Commons
Principle, Construction and Working of the Ruby Laser ~ Physics Vidyapith ✍️
A Brief History Of The Ruby Laser
The Laser Turns 60 | Features | Aug 2020 | Photonics Spectra