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Kvantovaya Elektronika, 1981, Volume 8, Number 6, Pages 1177–1185 (Mi qe7031)  

Characteristics of the collisional dissociation of N2F4 excited by resonant infrared radiation

N. N. Akinfiev, A. N. Oraevsky, A. V. Pankratov, S. E. Pankratov, V. P. Pimenov, A. N. Skachkov


Abstract: An investigation was made of the collisional dissociation of tetrafluorohydrazine N2F4 + M → 2NF2 + M initiated by CO2 laser radiation. It was found that at low excitation levels (~1 photon/molecule) the process is in thermodynamic equilibrium, and its kinetics is governed by the condition for adiabatic dissociation. An increase in the energy input to ~3 photons/molecule gives rise to a radiative dissociation stage which is independent of pressure. This is followed by nonequilibrium collisional dissociation involving additional activation with a radiative molecular energy distribution function. The experimental results were used to obtain estimates for the characteristic times of collisionless (~40 nsec) and collisional decay (~0.2 μsec·Torr) of the excited level and also to estimate the vibrational–translational relaxation time of N2F4 (5 <τVT <20 μsec·Torr).

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English version:
Soviet Journal of Quantum Electronics, 1981, 11:6, 706–711

Bibliographic databases:

UDC: 621.373.826
PACS: 33.80.Gj
Received: 01.09.1980

Citation: N. N. Akinfiev, A. N. Oraevsky, A. V. Pankratov, S. E. Pankratov, V. P. Pimenov, A. N. Skachkov, “Characteristics of the collisional dissociation of N2F4 excited by resonant infrared radiation”, Kvantovaya Elektronika, 8:6 (1981), 1177–1185 [Sov J Quantum Electron, 11:6 (1981), 706–711]

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  • Квантовая электроника Quantum Electronics
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