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Proceedings Paper

Superradiance in resonant electron transitions of molecular nitrogen ions in air and atomic strontium ions at optical pumping of a FS laser with a wavelength of 800 nm
Author(s): G. G. Matvienko; V. E. Prokopev; V. K. Oshlakov; A. N. Iglakova
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Paper Abstract

Theoretical and experimental study of nonresonance generation of laser radiation by atoms, molecules and ions of matter - superradiation - is an important area of research in the field of femtosecond optics. Narrowly directed (forward and reverse), with an intensity proportional to the square of the number of inverted atoms, molecules and ions, radiation can be used to probe the atmosphere using femtosecond lidars. This paper presents the results of comparative experimental studies of the appearance of superradiance at transitions of molecular nitrogen ion in the atmosphere and at transitions of atomic strontium ion in a mixture with inert gases (He, Ne) in a heated cuvette. For the first time, superradiance was observed in the transition from the resonant electronic state 2Р1/2 / to the ground state 2S1/2 (407.8 nm), when Sr pairs were pumped by radiation at a wavelength of 268.1 nm.

Paper Details

Date Published: 18 December 2019
PDF: 5 pages
Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1120829 (18 December 2019); doi: 10.1117/12.2540765
Show Author Affiliations
G. G. Matvienko, V. E. Zuev Institute of Atmospheric Optics (Russian Federation)
National Research Tomsk State Univ. (Russian Federation)
V. E. Prokopev, Institute of High Current Electronics (Russian Federation)
National Research Tomsk State Univ. (Russian Federation)
V. K. Oshlakov, V. E. Zuev Institute of Atmospheric Optics (Russian Federation)
A. N. Iglakova, V. E. Zuev Institute of Atmospheric Optics (Russian Federation)


Published in SPIE Proceedings Vol. 11208:
25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii; Gennadii G. Matvienko, Editor(s)

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