Oscillators – Molecular or particle resonant type
Patent
1974-11-07
1976-07-20
Webster, Robert J.
Oscillators
Molecular or particle resonant type
331 945G, 330 43, H01S 309, H01S 322
Patent
active
039709620
ABSTRACT:
A high power, cw, high pressure, electrically excited flowing gas laser is disclosed wherein a laser excitation transverse to the direction of gas flow is initiated by a uniform electron beam perpendicular to the gas flow direction. Laser gas supplied to a plenum chamber at a pressure substantially greater than atmospheric pressure is conditioned by a perforated plate nozzle to flow through the laser cavity in a uniform stream at the desired subsonic velocity. A variable angle diffuser is provided downstream from the laser cavity to decelerate and compress the laser gas before exhausting it into the ambient atmosphere such that at the downstream end of the laser excitation region the laser gas is maintained at a pressure slightly lower than atmospheric pressure.
REFERENCES:
patent: 3600704 (1971-02-01), Banas
patent: 3842363 (1974-10-01), Dobrzelecki
patent: 3886477 (1975-05-01), Ruby et al.
Brandenberg et al., IEEE J. Quantum Electronics, vol. 8, No. 4, Apr. 1972, pp. 414-418.
Plummer et al., AIAA Paper No. 73-623, AIAA 6th Fluid & Plasma Dynamics Corp., July 16-18, 1973, 8 pages.
Hill, Applied Physics Letters, 18(5), 1 Mar. 1971, pp. 194-197.
Bayless, Hughes Res. Report N00014-72-C-0496, (AD 786,745), Sept. 1974, pp. 19-25, pp. 35-44, pp. 11-13, 15-17.
Zerr, Naval Postgraduate School, Masters Thesis June 1974, AD 787,436, pp. 10-12, 24, 26, 27 & 50.
Hill Robert A.
Kallis James M.
Peressini Eugene R.
Coble Paul M.
Hughes Aircraft Company
MacAllister William H.
Webster Robert J.
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