Laser without population inversion of nitrogen ions pumped by femtosecond pulses

0522661 - FZÚ 2020 RIV US eng C - Conference Paper (international conference)
Liu, Y. - Danylo, R. - Ding, P. - Houard, A. - Tikhonchuk, Vladimir - Zhang, X. - Fan, Z. - Liang, Q. - Zhuang, S. - Yuan, L. - Mysyrowicz, A.
Laser without population inversion of nitrogen ions pumped by femtosecond pulses.
2019 Conference on Lasers and Electro-Optics (CLEO 2019). NEW YORK: IEEE, 2019, s. 1-2, č. článku 8749712. ISBN 978-194358057-6. ISSN 2160-9020.
[Conference on Lasers and Electro-Optics (CLEO) 2019. San Jose (US), 05.05.2019-10.05.2019]
Institutional support: RVO:68378271
Keywords : ultrashort pulses * nitrogen * nitrogen molecules
OECD category: Fluids and plasma physics (including surface physics)

We attribute the mechanism of “lasing” action of nitrogen ions pumped by femtosecond IR pulses to a laser without inversion scheme. Numerical simulations reproduce well the temporal dynamics and pressure dependence of the emission.
Permanent Link: http://hdl.handle.net/11104/0307116