Ultra compact, RF excited gaseous lasers

Coherent light generators – Particular pumping means – Electrical

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372 35, 372 87, 372 88, H01S 3097

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048478520

ABSTRACT:
A laser comprising an RF matching unit having an RF power input and an RF power output, an optical cavity including electrode apparatus extending along the optical cavity, receiving the RF power output and defining a discharge gap having a gaseous lasing medium disposed therein, the RF power output being operative to produce a population inversion in the gaseous lasing medium, and an arrangement for providing direct fluid cooling contact with the electrode apparatus generally along its entire extent.

REFERENCES:
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patent: 4611329 (1986-09-01), Ernst et al.
Sinclair and Tulip, Parameters affecting the performance of a RF excited sub.2 waveguide laser. J. App. Phys. 56(9), Nov. 1984.
Kolesnikov et al., Electric discharge chamber for coaxial CO.sub.2 lasers. Sov. J. Quantum Electron. 14(5), May 1984.
Crocker and Wills, Carbon-Dioxide laser with high power per unit length. Electronics Letters vol. 5(4) Feb. 1969.
Xin and Hall, Multipass coaxial RF discharge CO.sub.2 laser, Optics Communications vol. 58 (6), Jul. 1986.
AD Reg. 1976 U.S. NTIS Document AD-A030724, A 15 Kilowalt CN CO.sub.2 coaxial Electric Discharge Laser.
Intermediate-pressure electrodeless Discharges in rf & pulsed fields, Yu. P. Raizer, Sov. J. Plasma Phys. 5(2), Mar.-Apr. 1979 (English Version), American Institute of Physics, pp. 232-237.
Plasma Chemistry of RF discharge in CO.sub.2 laser gas mixtures, G. C. R. Williams et al., J. Phys. D. Appl. Phys., vol. 18, 1985, 335-346.
Influence of xenon on sealed-off operation of rf-excited CO.sub.2 waveguide lasers, D. He et al., J. Appl. Physics, vol. 56(3), Aug. 1984.
Temp. Rise & Radial Profiles in CO.sub.2 lasers, A. J. Landerman et al., J. Appl. Physics, vol. 42, No. 8, Jul. 1971, pp. 3138-3144.
Off-Axis Paths in Spherical Mirror Interferometers, D. Herroitt et al., Appl. Optics, vol. 3, No. 4, Apr. 1964, pp. 523-526.

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