Title :
New O II 6640-Å laser line
Author :
Birnbaum, M. ; Tucker, Allan ; Gelbwachs, J. ; Fincher, C.
Author_Institution :
Aerospace Corporation, El Segundo, CA
fDate :
5/1/1971 12:00:00 AM
Abstract :
A prominent red laser line has been observed in oxygen and air at a wavelength of 6640.2 ± 1 Å. This line corresponds to the

at 6640.90 Å of the O II spectrum. It is the strongest member of the observed emission lines close to the laser line.
Keywords :
Argon; Carbon dioxide; Cathodes; Laser transitions; Mirrors; Optical pulses; Power generation; Power lasers; Reflectivity; Space vector pulse width modulation;
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.1971.1076646