Lasing in the UV, IR and visible spectral ranges in a runaway-electron-preionised diffuse dischrage

Lasers on the mixtures of inert gases, H2, D2, and nitrogen with NF3 and (or) SF6 are studied under pumping by the volume (diffusive) discharge formed in a nonuniform electric field due to runaway-electron preionisation. Generation in the IR, visible and UV spectral ranges is obtained on atomic transitions of neon (λ = 585.3 nm), argon (750.3 nm) and fluorine (712.8 and 731.1 nm), and on molecular transitions of N2 (337.1 nm), XeF * (351 and 353 nm), HF (2.8 – 3.2 μm) and DF (3.8 – 4.2 μm). It is shown that in N2 – SF6, H2 – SF6 and D2 – SF6 mixtures the generation efficiency approaches the limiting values.

[1]  M. Obara,et al.  Efficient operation of a low-impedance Blumlein discharge initiated HF/DF chemical laser , 1979, IEEE Journal of Quantum Electronics.

[2]  Viktor F Tarasenko,et al.  Pulsed Gas Lasers , 1995 .

[3]  Viktor F Tarasenko,et al.  Spectral characteristics of nonchain HF and DF electric-discharge lasers in efficient excitation modes , 2004 .

[4]  N. Djeu,et al.  Efficient electric discharge lasers in XeF and KrF , 1976 .

[5]  S. B. Alekseev,et al.  Carbon dioxide laser with an e-beam-initiated discharge produced in the working gas mixture at a pressure up to 5 atm , 2011 .

[6]  P. Bokhan,et al.  Collisional lasing on a self-terminating transition 2 1Po1 — 2 1S0 in helium atom , 2012 .

[7]  A. N. Panchenko,et al.  Lasing from the domain of collision of ionisation waves produced due to electric field concentration at electrodes with a small radius of curvature , 2011 .

[8]  S. B. Alekseev,et al.  Pulsed volume discharge in a nonuniform electric field at a high pressure and the short leading edge of a voltage pulse , 2004 .

[9]  P. Kryukov,et al.  Continuous-wave femtosecond lasers , 2013 .

[10]  S Yu Kazantsev,et al.  LASERS: High-power repetitively pulsed electric-discharge HF laser , 2010 .

[11]  Viktor F Tarasenko,et al.  Efficiency of a nitrogen UV laser pumped by a self-sustained discharge , 2001 .

[12]  Victor V. Apollonov,et al.  ACTIVE MEDIA. LASERS: Self-initiated volume discharge in nonchain HF lasers based on SF6---hydrocarbon mixtures , 2000 .

[13]  A. Bloom,et al.  Gas lasers. , 1968, Applied optics.

[14]  V. Yu. Baranov,et al.  ARTICLES: Parametric investigation of a pulsed nonchain HF laser , 1984 .

[15]  T. Jitsuno,et al.  An investigation of the effects of the discharge parameters on the performance of a TEA N2laser , 1982, IEEE Journal of Quantum Electronics.

[16]  V. Ochkin,et al.  ACTIVE MEDIA. LASERS: Xe laser pumped by fast electrons generated in a barrier discharge , 2002 .