406-nm laser on the C→B band of N2
- 15 March 1980
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 36 (6) , 393-395
- https://doi.org/10.1063/1.91529
Abstract
Intense visible laser emission on the 0‐3 transition of the N2 (C→B) band at 405.9 nm has been observed by exciting Ar/5–10% N2( pTOTAL ≈2000 Torr) gas mixtures with a long‐pulse (∼0.5 μs) electron beam of cylindrical symmetry. The experimental apparatus consists of a coaxial diode of 50 cm length and 250 cm3 anode volume driven by a low inductance, ∼250‐kV Marx generator. Lasing on the violet line occurs following bottlenecking of the 0‐1 and 0‐2 ultraviolet laser transitions. With ∼0.8% output coupling at 406 nm, a maximum output energy of 2.2 mJ in a 200‐ns FWHM pulse has been obtained in the violet which is comparable to that extracted (for optimum mirror transmission) on the 358‐ and 380‐nm UV laser lines.Keywords
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