Coherent light generators – Particular active media – Gas
Patent
1979-10-05
1982-06-22
Davie, James W.
Coherent light generators
Particular active media
Gas
372 56, 372 76, 372 87, H01S 3093
Patent
active
043365060
ABSTRACT:
A high-voltage, high current pulse is applied to a series of two or more conducting strips (101-110) installed in series in a laser cavity (150-151) containing either a buffer gas or a vacuum. The strips are separated by small gaps. When the high-voltage, high-current pulse is applied to the strips, plasmas (141-149) are formed in the gap regions. The plasmas are comprised of ions from the strip material. Once formed, these plasmas expand hemispherically, cool and recombine to provide laser action. The composition of the plasmas depends on the strip material, the electric field in the gaps, the gap size and the background gas type and pressure.
REFERENCES:
patent: 3619812 (1971-11-01), Asmos
patent: 3891941 (1975-06-01), Roberts et al.
patent: 4041414 (1977-08-01), Richardson et al.
patent: 4295103 (1981-10-01), Yudmirsky
"Large Aperture CO.sub.2 Laser Discharges", 6, Richardson et al., IEEE Jour. Quant. Elect., vol. AE-9, No. 9, Sep. 1973.
"Attainment of a Homogeneous Discharge in a Large-Volume Pulse CO.sub.2 Laser", Baranov et al., Sov. J. Quant. Elect., vol. 5, No. 9, 1976.
"Recombination Lasers in Expanding CO.sub.2 Laser Produced Plasmas of Argon, Krypton and Xenon", by Silfvast et al., App. Phys. Lett., vol. 31, No. 5, 1977.
"Ultra-High-Gain Laser Produced Plasma Laser in Xenon Using Periodic Pumping", by Silfvast et al., App. Phys. Lett., vol. 34, No. 3, Feb. 1979.
"Recombination Lasers in Nd and CO.sub.2 Lasor-Produed Cadmium Plasmas", by Silfvast et al., Optics Lett., vol. 4, No. 9, Sep. 1979.
Silfvast William T.
Szeto Leo H.
Wood, II Obert R.
Bell Telephone Laboratories Incorporated
Davie James W.
Dubosky Daniel D.
Einschlag Michael B.
Jr. Leon Scott
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