A self-consistent model for a longitudinal discharge excited He-Sr recombination laser

A comprehensive computer model has been developed to simulate the plasma kinetics in a high-repetition frequency, discharge-excited He-Sr recombination laser. A detailed rate equation analysis incorporating about 80 collisional and radiative processes, is used to determine the temporal and spatial (...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1990-09, Vol.26 (9), p.1588-1608
Main Author: Carman, R.J.
Format: Article
Language:English
Subjects:
426002 - Engineering- Lasers & Masers- (1990-)
AFTERGLOW
ALKALINE EARTH METALS
COLLISIONAL PLASMA
Computational modeling
Computer simulation
COMPUTERIZED SIMULATION
CURRENT DENSITY
DIFFERENTIAL EQUATIONS
ELECTRON TEMPERATURE
ELEMENTS
EMISSION
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
ENGINEERING
EQUATIONS
Exact sciences and technology
EXCITED STATES
FLUIDS
Frequency
Fundamental areas of phenomenology (including applications)
Gas lasers including excimer and metal-vapor lasers
GASES
GROUND STATES
HELIUM
Kinetic theory
KINETICS
Laser excitation
LASER MATERIALS
Laser modes
Lasers
MATERIALS
METALS
NONMETALS
Optical pulses
Optics
Physics
PLASMA
Plasma simulation
Pulse circuits
RADIATIVE DECAY
RARE GASES
RECOMBINATION
SIMULATION
STIMULATED EMISSION
STRONTIUM
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Description
Summary:A comprehensive computer model has been developed to simulate the plasma kinetics in a high-repetition frequency, discharge-excited He-Sr recombination laser. A detailed rate equation analysis incorporating about 80 collisional and radiative processes, is used to determine the temporal and spatial (radial) behavior of the discharge parameters and the intracavity laser field during the current pulse, recombination phase, and external electrical circuit is integrated over multiple discharge cycles to yield fully self-consistent results. The species population densities predicted by the model are compared with radial and time-dependent Hook measurements determined experimentally for the same set of standard conditions.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.102639