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D. Kartashov, S. Ali?auskas, G. Andriukaitis, A. Pug?lys, M. Shneider et al., Free-space nitrogen gas laser driven by a femtosecond filament, Physical Review A, vol.86, issue.3, p.33831, 2012.
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A. Dogariu, J. B. Michael, M. O. Scully, and R. B. Miles, High-Gain Backward Lasing in Air, Science, vol.331, issue.6016, p.442, 2011.
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P. Sprangle, J. Peñano, B. Hafizi, D. Gordon, and M. Scully, Remotely induced atmospheric lasing, Applied Physics Letters, vol.98, issue.21, p.211102, 2011.
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M. N. Shneider, A. Baltu?ka, and A. M. Zheltikov, mixture by selective resonance-enhanced multiphoton ionization, Journal of Applied Physics, vol.110, issue.8, p.83112, 2011.
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J. Yao, B. Zeng, H. Xu, G. Li, W. Chu et al., High-brightness switchable multiwavelength remote laser in air, Physical Review A, vol.84, issue.5, p.51802, 2011.
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J. Ni, W. Chu, C. Jing, H. Zhang, B. Zeng et al., Identification of the physical mechanism of generation of coherent N_2 ^+ emissions in air by femtosecond laser excitation, Optics Express, vol.21, issue.7, p.8746, 2013.
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J. Yao, G. Li, C. Jing, B. Zeng, W. Chu et al., Remote creation of coherent emissions in air with two-color ultrafast laser pulses, New Journal of Physics, vol.15, issue.2, p.23046, 2013.
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Y. Liu, Y. Brelet, G. Point, A. Houard, and A. Mysyrowicz, Self-seeded lasing in ionized air pumped by 800 nm femtosecond laser pulses, Optics Express, vol.21, issue.19, p.22791, 2013.
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URL : https://hal.archives-ouvertes.fr/hal-01118072

T. Wang, J. Ju, J. F. Daigle, S. Yuan, R. Li et al., Self-seeded forward lasing action from a femtosecond Ti:sapphire laser filament in air, Laser Physics Letters, vol.10, issue.12, p.125401, 2013.
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F. Emmert, R. Dux, and H. Langhoff, Improved lasing properties of the H???N 2 + system at 391 nm and 428 nm by H2 admixture, Applied Physics B Photophysics and Laser Chemistry, vol.18, issue.2, p.141, 1988.
DOI : 10.1007/BF00684081

J. D. Anderson, Gasdynqmic lasers: an introduction, 1976.

A. Lofthus and P. H. Krupenie, The spectrum of molecular nitrogen, Journal of Physical and Chemical Reference Data, vol.6, issue.1, p.113, 1977.
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A. Couairon and A. Mysyrowicz, Femtosecond filamentation in transparent media, Physics Reports, vol.441, issue.2-4, p.47, 2007.
DOI : 10.1016/j.physrep.2006.12.005

URL : https://hal.archives-ouvertes.fr/hal-00454778

S. L. Chin, N. Aközbek, A. Proulx, S. Petit, and C. M. Bowden, Transverse ring formation of a focused femtosecond laser pulse propagating in air, Optics Communications, vol.188, issue.1-4, p.181, 2001.
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A. Becker, N. Aközbek, K. Vijayalakshmi, E. Oral, C. M. Bowden et al., Intensity clamping and re-focusing of intense femtosecond laser pulses in nitrogen molecular gas, Applied Physics B, vol.73, issue.3, p.287, 2001.
DOI : 10.1007/s003400100637

Q. Luo, W. Liu, and S. L. Chin, Lasing action in air induced by ultra-fast laser filamentation, Applied Physics B: Lasers and Optics, vol.76, issue.3, p.337, 2003.
DOI : 10.1007/s00340-003-1115-9

D. Kartashov, S. Ali?auskas, G. Andriukaitis, A. Pug?lys, M. Shneider et al., Free-space nitrogen gas laser driven by a femtosecond filament, Physical Review A, vol.86, issue.3, p.33831, 2012.
DOI : 10.1103/PhysRevA.86.033831

A. Dogariu, J. B. Michael, M. O. Scully, and R. B. Miles, High-Gain Backward Lasing in Air, Science, vol.331, issue.6016, p.442, 2011.
DOI : 10.1126/science.1199492

URL : http://arxiv.org/abs/1011.6666

P. Sprangle, J. Peñano, B. Hafizi, D. Gordon, and M. Scully, Remotely induced atmospheric lasing, Applied Physics Letters, vol.98, issue.21, p.211102, 2011.
DOI : 10.1063/1.3584034

M. N. Shneider, A. Baltu?ka, and A. M. Zheltikov, mixture by selective resonance-enhanced multiphoton ionization, Journal of Applied Physics, vol.110, issue.8, p.83112, 2011.
DOI : 10.1063/1.3646478

P. R. Hemmer, R. B. Miles, P. Polynkin, T. Siebert, A. V. Sokolov et al., Standoff spectroscopy via remote generation of a backward-propagating laser beam, Proc. Natl. Acad. Sci. USA, p.3130, 2011.
DOI : 10.1073/pnas.1014401107

J. Yao, B. Zeng, H. Xu, G. Li, W. Chu et al., High-brightness switchable multiwavelength remote laser in air, Physical Review A, vol.84, issue.5, p.51802, 2011.
DOI : 10.1103/PhysRevA.84.051802

URL : http://arxiv.org/abs/1107.4410

J. Ni, W. Chu, C. Jing, H. Zhang, B. Zeng et al., Identification of the physical mechanism of generation of coherent

J. Yao, G. Li, C. Jing, B. Zeng, W. Chu et al., Remote creation of coherent emissions in air with two-color ultrafast laser pulses, New Journal of Physics, vol.15, issue.2, p.23046, 2013.
DOI : 10.1088/1367-2630/15/2/023046

Y. Liu, Y. Brelet, G. Point, A. Houard, and A. Mysyrowicz, Self-seeded lasing in ionized air pumped by 800 nm femtosecond laser pulses, Optics Express, vol.21, issue.19, p.22791, 2013.
DOI : 10.1364/OE.21.022791

URL : https://hal.archives-ouvertes.fr/hal-01118072

T. Wang, J. Ju, J. F. Daigle, S. Yuan, R. Li et al., Self-seeded forward lasing action from a femtosecond Ti:sapphire laser filament in air, Laser Physics Letters, vol.10, issue.12, p.125401, 2013.
DOI : 10.1088/1612-2011/10/12/125401

W. Chu, G. Li, H. Xie, J. Ni, J. Yao et al., A self-induced white light seeding laser in a femtosecond laser filament, Laser Physics Letters, vol.11, issue.1, p.125401, 2013.
DOI : 10.1088/1612-2011/11/1/015301

F. Emmert, R. Dux, and H. Langhoff, Improved lasing properties of the H???N 2 + system at 391 nm and 428 nm by H2 admixture, Applied Physics B Photophysics and Laser Chemistry, vol.18, issue.2, p.141, 1988.
DOI : 10.1007/BF00684081

J. D. Anderson, Gas dynamic lasers: an introduction, 1976.

A. Lofthus and P. H. Krupenie, The spectrum of molecular nitrogen, Journal of Physical and Chemical Reference Data, vol.6, issue.1, p.113, 1977.
DOI : 10.1063/1.555546

A. Couairon and A. Mysyrowicz, Femtosecond filamentation in transparent media, Physics Reports, vol.441, issue.2-4, p.47, 2007.
DOI : 10.1016/j.physrep.2006.12.005

URL : https://hal.archives-ouvertes.fr/hal-00454778

S. L. Chin, N. Aközbek, A. Proulx, S. Petit, and C. M. Bowden, Transverse ring formation of a focused femtosecond laser pulse propagating in air, Optics Communications, vol.188, issue.1-4, p.181, 2001.
DOI : 10.1016/S0030-4018(00)01129-9

A. Becker, N. Aközbek, K. Vijayalakshmi, E. Oral, and C. M. Bowden, Intensity clamping and re-focusing of intense femtosecond laser pulses in nitrogen molecular gas, Applied Physics B, vol.73, issue.3, p.287, 2001.
DOI : 10.1007/s003400100637