Here is the 5 cm nitrogen laser the most powerful of the world.mp4 - YouTube
Building A Simple High Voltage Nitrogen Laser (Ft. StyroPyro + giveaway) - YouTube
The Professor's Homebuilt Lasers Site - Nitrogen Laser
Powerful UV nitrogen laser for pumping dye lasers — Sci-Projects: Science and engineering at home!
A simplified nitrogen laser setup operated at atmospheric pressure
Design and construction of prototype transversely excited atmospheric (TEA) nitrogen laser energized by a high voltage electrical discharge - ScienceDirect
Photos of Home-Built Nitrogen Lasers
MNL 103-PD Mini-Nitrogen-Laser - Get a price quote from LTB Lasertechnik Berlin GmbH