Gas laser preionization device

Details Gas laser preionization device Gas laser preionization device

1980-09-12

1983-04-12

Sikes, William L.

Coherent light generators

Particular pumping means

Electrical

372 86, 372 55, H01S 3093

Patent

active

043800793

ABSTRACT:
A gas laser having preionization means which comprises an elongated glass tube extending beside the glow discharge volume for the length of the laser cavity, there being a central conductor inside the tube and a conductive strip or spaced strips bonded to the outside of the tube. The inner wire and outer strip are connected respectively to the same high voltage pulse leads which provide the main laser discharge. Ultraviolet radiation from the conductive strips on the tube preionizes the laser gas and creates a stable uniform laser electric discharge.

REFERENCES:
patent: 3781712 (1973-12-01), Judd
"CO.sub.2 Laser Excited by Preionized Transverse Discharge through a Dielectric"by Cohn; App. Phys. Lett. 37(9), Nov. 1, 1980.
Richardson et al., "Large Aperture CO.sub.2 Laser Discharges," IEEE J. Quantum Electronics, vol. 9, 934-939 (1973).
Hasso et al., "Ultraminiature High-Power Gas Discharge Lasers," Rev. Sci. Instrum, vol. 50, pp. 59-63 (1979).
Hasson et al., "Simple and Compact Photopreinization-Stabilized Excimer Lasers," Rev. Sci. Instrum., vol. 50, pp. 1542-1544. (1979).
Menyuk et al., "Developemnt of a High-Repetition-Rate Mini-TEA CO.sub.2 Laser," Rev. Sci. Instrum., vol. 51, pp. 216-220 (1980).

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