nitrogen laser

https://doi.org/10.1351/goldbook.N04160
A source of pulsed semi-coherent @S06145@ mainly around \(337\ \text{nm}\). The @L03479@ species is molecular nitrogen.
See:
gas lasers
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2256 [Terms] [Paper]