Abstract

The spectra of stimulated emission, observed in the process of the H₂ + F₂ → HF and D₂ + F₂ → DF reactions, were investigated and compared. The stimulated emission in the vibrational transitions up to 6–5 for the HF molecule and up to 9–8 for the DF molecule was discovered. It was found that the emission energy in the transitions of 2–1 and 5–4 bands in the H₂ + F₂ mixture was the highest possible. In the D₂ + F₂ mixture the emission energy maxima correspond to the 3–2 and 8–7 bands. The presence of the two maxima reflects the fact that the two types of chemical reactions contribute to the population inversion creation. One is a F + H₂(D₂) reaction, the other is a H(D) + F₂ reaction. By analyzing the characteristics of the chemical laser in which the energy exchange between the DF and CO₂ molecules takes place, the energy-transfer rate constant was estimated with the value being equal to (1.5 ± 0.5) × 10⁻¹² cm³ sec⁻¹.

© 1971 Optical Society of America

Investigation of Vibrational Relaxation in the Hydrogen Chloride Chemical Laser

V. I. Gorshkov, V. V. Gromov, V. I. Igoshin, E. L. Koshelev, E. P. Markin, and A. N. Oraevsky
Appl. Opt. 10(8) 1781-1785 (1971)

Infrared-Emission Studies of Electronic-to-Vibrational Energy Transfer. IV: Hg* + HF

H. Heydtmann, J. C. Polanyi, and R. T. Taguchi
Appl. Opt. 10(8) 1755-1759 (1971)

Quenching of Infrared Chemiluminescence. 1: The Rates of De-Excitation of CO (4 ≤ v ≤ 13) by He, CO, NO, N₂, O₂, OCS, N₂O, and CO₂

G. Hancock and I. W. M. Smith
Appl. Opt. 10(8) 1827-1842 (1971)

Population Inversion and Energy Transfer in CO Lasers

J. T. Yardley
Appl. Opt. 10(8) 1760-1767 (1971)

Energy Distribution Among Reaction Products: H + SCl₂ → HCl + SCl

H. Heydtmann and J. C. Polanyi
Appl. Opt. 10(8) 1738-1746 (1971)