Discharge-pumped gas laser with baffle partition for controlled

Details Discharge-pumped gas laser with baffle partition for controlled Discharge-pumped gas laser with baffle partition for controlled

1992-04-22

1993-08-24

Scott, Jr., Leon

Coherent light generators

Particular active media

Gas

372 86, H01S 322

Patent

active

052395537

ABSTRACT:
A discharge-pumped gas laser has a pressure container filled with a laser gas under pressure and a pair of elongate main discharge electrodes. The main discharge electrodes are disposed in the pressure container in confronting relationship to each other for producing an electric discharge in the laser gas in a main discharge region defined therebetween to excite the laser gas for laser emission. The laser gas is circulated to flow through the main discharge region in a direction perpendicular to the main discharge electrodes. The laser gas in the main discharge region is preionized by an UV preionizer disposed either upstream or downstream of the main discharge region with respect to the direction of flow of the laser beam. The pressure container houses a baffle partition for controlling the laser gas to flow past one of the main discharge electrodes and the preionizer while blocking the laser gas from directly flowing to the other of the main discharge electrodes and the preionizer.

REFERENCES:
patent: 4635269 (1987-01-01), Reilly et al.
patent: 4646310 (1987-02-01), Koseki
patent: 5033056 (1991-07-01), Perzl
"Sealed, Miniaturized, Corona-Preionized, High-Repetition-Rate TEA CO2 Laser Using Hydrogen Buffered Gas Mixtures" by R. Marchetti, et al., IEEE Journal of Quantum Electronics vol. QE-21 No. 11, Nov. 1985, pp. 1766-1771.

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