Reinjection laser oscillator and method

Details Reinjection laser oscillator and method Reinjection laser oscillator and method

1981-08-20

1984-08-28

Sikes, William L.

Coherent light generators

Particular resonant cavity

Folded cavity

372700, 372103, 372 70, 372 12, 372 18, 372 55, 372 99, H01S 3081

Patent

active

044687761

ABSTRACT:
A uv preionized CO.sub.2 oscillator with integral four-pass amplifier capable of providing 1 to 5 GW laser pulses with pulse widths from 0.1 to 0.5 ns full width at half-maximum (FWHM) is described. The apparatus is operated at any pressure from 1 atm to 10 atm without the necessity of complex high voltage electronics. The reinjection technique employed gives rise to a compact, efficient system that is particularly immune to alignment instabilities with a minimal amount of hardware and complexity.

REFERENCES:
patent: 3597695 (1971-08-01), Swain et al.
patent: 3622907 (1971-11-01), Tomlinson et al.
patent: 3646468 (1972-02-01), Buczek et al.
patent: 3902130 (1975-08-01), Pike
"A High Power Short Pulse CO.sub.2 TEA Amplifier" Czuchlewski et al., Proceed. of Int. Conf. on Lasers, 1978; Orlando, Florida; Dec. 11-15, '78.
"A High Pressure Reinjection CO.sub.2 Oscillator" McLellan et al., Proc. of SPIE, 1980, Wash., D.C., May 10-11, 1980.
McLellan et al., "High Pressure Reinjection CO.sub.2 Oscillator", SPIE vol. 227, CO.sub.2 Laser Devices and Applications, Apr. 10-11, 1980.

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