Transition moments and integrated intensities of HCN(. nu. /sub 1/+. nu. /sub 3/) and DCN(. nu. /sub 1/+. nu. /sub 3/) combination bands
Journal Article
·
· J. Appl. Phys.; (United States)
The absolute infrared integrated intensities of HCN(..nu../sub 1/+..nu../sub 3/) and DCN(..nu../sub 1/+..nu../sub 3/) summation bands have been measured using the pressure broadening technique. From the measured integrated intensities, transition moments were determined. The values obtained were 1.1 +- 0.1 cm/sup -2/ atm/sup -1/ and 0.9 +- 0.1 cm/sup -2/ atm/sup -1/ at 298 degreeK, respectively, for the HCN and DCN intensities and 1.8 x 10/sup -41/ erg cm/sup 3/ and 1.9 x 10/sup -41/ erg cm/sup 3/ for the square of the transition moments. The values reported are 50 times smaller than the corresponding transition moment for CO/sub 2/ at 10.6 ..mu..m, hence it will be considerably more difficult for the HCN/DCN laser to attain threshold.
- Research Organization:
- Hughes Aircraft Company, Culver City, California 90230
- OSTI ID:
- 7311191
- Journal Information:
- J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 48:7; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
CHEMICAL LASERS
CYANIDES
DEUTERIUM COMPOUNDS
EMISSION
ENERGY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITED STATES
HYDROCYANIC ACID
HYDROGEN COMPOUNDS
INFRARED SPECTRA
INORGANIC ACIDS
LASERS
LINE BROADENING
SPECTRA
STIMULATED EMISSION
THRESHOLD ENERGY
VIBRATIONAL STATES
420300* -- Engineering-- Lasers-- (-1989)
CHEMICAL LASERS
CYANIDES
DEUTERIUM COMPOUNDS
EMISSION
ENERGY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITED STATES
HYDROCYANIC ACID
HYDROGEN COMPOUNDS
INFRARED SPECTRA
INORGANIC ACIDS
LASERS
LINE BROADENING
SPECTRA
STIMULATED EMISSION
THRESHOLD ENERGY
VIBRATIONAL STATES