Oscillators – Molecular or particle resonant type
Patent
1976-07-02
1977-11-01
Edlow, Martin H.
Oscillators
Molecular or particle resonant type
331 945D, 331 945PE, 330 43, H01S 300
Patent
active
040567893
ABSTRACT:
An electric discharge gas dynamic laser in which excitation of one gas species is obtained in a plenum by use of a dc glow discharge. The gas present in the plenum is then accelerated through an array of supersonic nozzles where the laser species is injected and mixed with the primary flow. Energy transfer and lasing occur in the supersonic region of the flow. Brewster-angle windows which extend from 1 to 28 cm downstream from the nozzle exit plane enables a laser cavity or diagnostic apparatus to be positioned at a variable distance downstream from the injection point. The optics may be mounted on a motor-driven translation table so that continuous scans of the region downstream of the nozzle exit plane may be conveniently made. The present facility may easily be operated with a subsonic cavity, with an RF discharge to augment the dc plenum discharge, with all gases premixed, or with any combination of these configurations.
REFERENCES:
patent: 3886479 (1975-05-01), Pearson
patent: 3906398 (1975-09-01), Low
patent: 3940710 (1976-02-01), Lemay
patent: 3991384 (1976-11-01), Betts
Stregack et al., IEEE Journ. of Quantum Electronics, vol. QE-11, No. 8, A 1975, p. 705.
Stregack et al., Appl. Phys. Lett., vol. 27, No. 12, 15 Dec. 1975, pp. 670-671.
Peterson et al., Journal of Appl. Physics, vol. 46, No. 10, Oct. 1975, pp. 4570-4572.
Stregack Joseph A.
Wexler Bernard L.
Crane Melvin L.
Edlow Martin H.
Schneider Philip
Sciascia R. S.
The United States of America as represented by the Secretary of
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