![The International Day of Light: A Celebration of Photonics and the Transformative Power of Lasers – Power Technology, Inc. The International Day of Light: A Celebration of Photonics and the Transformative Power of Lasers – Power Technology, Inc.](https://www.powertechnology.com/wp-content/uploads/Anh-lich-su-khoa-hoc.jpg)
The International Day of Light: A Celebration of Photonics and the Transformative Power of Lasers – Power Technology, Inc.
![𝙈𝙧 𝙋𝙖𝙪𝙡 𝙒𝙖𝙡𝙠𝙚𝙧 on Twitter: "#OnThisDay in 1967, American physicist Theodore Maiman was awarded the patent for his ruby laser systems, the worlds first laser. https://t.co/GUfdPemWZ0" / Twitter 𝙈𝙧 𝙋𝙖𝙪𝙡 𝙒𝙖𝙡𝙠𝙚𝙧 on Twitter: "#OnThisDay in 1967, American physicist Theodore Maiman was awarded the patent for his ruby laser systems, the worlds first laser. https://t.co/GUfdPemWZ0" / Twitter](https://pbs.twimg.com/media/Dr9ixQCUwAAPsud.jpg)
𝙈𝙧 𝙋𝙖𝙪𝙡 𝙒𝙖𝙡𝙠𝙚𝙧 on Twitter: "#OnThisDay in 1967, American physicist Theodore Maiman was awarded the patent for his ruby laser systems, the worlds first laser. https://t.co/GUfdPemWZ0" / Twitter
![͑ a ͒ Theodore Maiman's first laser, removed from aluminum cylinder... | Download Scientific Diagram ͑ a ͒ Theodore Maiman's first laser, removed from aluminum cylinder... | Download Scientific Diagram](https://www.researchgate.net/publication/46158628/figure/fig2/AS:306051615346693@1449979799734/a-Theodore-Maimans-first-laser-removed-from-aluminum-cylinder-used-during.png)