Longitudinal-discharge-pulse laser with preionization obtained b

Details Longitudinal-discharge-pulse laser with preionization obtained b Longitudinal-discharge-pulse laser with preionization obtained b

1982-06-15

1985-04-02

Davie, James W.

Coherent light generators

Particular pumping means

Electrical

372 38, 372 82, 372 87, H01S 3097

Patent

active

045091765

ABSTRACT:
A longitudinal-discharge-pulse laser has two coaxial sections in the form of glass tubes joined together by a grounded central electrode and terminated by two outer electrodes. Each glass tube carries on its outer surface a multiplicity of metal rings connected in parallel, via a step-up transformer, to the anode of a first thyratron for energization with a steep negative pulse to generate a corona effect for the preionization of a gas mixture in the tubes on command of a pulse-cadence generator. This generator also controls a second thyratron, with a predetermined delay, which applies negative trigger pulses to the two outer electrodes for initiating a pumping discharge of the laser.

REFERENCES:
patent: 3460053 (1969-08-01), Leonard
patent: 3597700 (1971-08-01), Rouy
patent: 3704428 (1972-11-01), Barry et al.
patent: 3967214 (1976-06-01), Thatcher
patent: 4251751 (1981-02-01), Kolb
Article by Alan E. Hill titled "Multijoule Pulses from CO.sub.2 Lasers", published in Applied Physics Letters, May 1, 1963, vol. 12, No. 9, pp. 324-327.
Article by George J. Dezenberg et al. titled "Performance of High-Voltage Axially Pulsed CO.sub.2 Lasers", published in IEEE Journal of Quantum Electronics, Feb. 1972, pp. 59-65.

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