Laser emission from the 13. 9-. mu. m 10/sup 0/0. -->. 01/sup 1/0 CO/sub 2/ transition in pulsed electrical discharges
Laser emission on the Q and P branches of the 10/sup 0/0..-->..01/sup 1/0 transition of CO/sub 2/ has been observed in a system using a cryogenically cooled pulsed electrical discharge as the excitation source. This is the first reported evidence that an inversion on this transition can be produced by direct electrical excitation of a gas mixture containing CO/sub 2/. The inversion is created by using a delayed 10.6-..mu..m laser pulse to saturate the 10/sup 0/0 state. Parameter ranges for the system operating in an optimal CO/sub 2/ : N/sub 2/ : He=1 : 2 : 25 gas mixture are as follows: pressure, 5--18 Torr; temperature, 140--220 degreeK; time delay of 10.6-..mu..m laser pulse, 0.1--4 msec; and output energy, 15--20 ..mu..J/pulse.
- Research Organization:
- Westinghouse Research Laboratories, Pittsburgh, Pennsylvania 15235
- OSTI ID:
- 7215554
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 31:2; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
070100 -- Physical Isotope Separation
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON DIOXIDE LASERS
CARBON OXIDES
CHALCOGENIDES
CRYOGENIC FLUIDS
ELECTRIC DISCHARGES
ELEMENTS
EMISSION
EMISSION SPECTRA
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUIDS
GAS LASERS
HELIUM
ISOTOPE SEPARATION
LASER ISOTOPE SEPARATION
LASERS
NITROGEN
NONMETALS
OXIDES
OXYGEN COMPOUNDS
POPULATION INVERSION
RARE GASES
SEPARATION PROCESSES
SPECTRA
STIMULATED EMISSION