Oscillators – Molecular or particle resonant type
Patent
1976-09-20
1979-11-27
Sikes, William L.
Oscillators
Molecular or particle resonant type
331 945L, H01S 302
Patent
active
041763246
ABSTRACT:
A flow channel for a dye laser having means for reducing thermal and pressure variations in the flowing laser medium particularly in the vicinity of active lasing in order to permit high power and high pulse rate lasing with a high quality, low divergence output beam. Pressure disturbances and turbulence are minimized with a number of flow design techniques including a configured input conduit for even pressure drop, a set of turbulence reducing screens, as well as a hydraulic pressure damping capacitor on both input and output ends of the flow channel, either side of the excitation window. A porous wall is used to exhaust the medium and isolate the lasing region from downstream effects. In addition, cooling of the conduit just upstream of the region of active lasing reduces temperature disturbances resulting from applied excitation to further minimize its disturbing effect on laser beam quality and lasing efficiency.
REFERENCES:
patent: 3477037 (1969-11-01), Seitz
patent: 3487332 (1969-12-01), Cordy, Jr.
patent: 3677959 (1972-07-01), Brecher et al.
patent: 3678410 (1972-07-01), Kocher et al.
patent: 3740665 (1973-06-01), Itzkan
patent: 3898584 (1975-08-01), Born
Boiteux et al., Applied Optics, vol. 9, No. 2, Feb. 1970, pp. 514, 515.
Aldag Henry R.
Morton Richard G.
Woodroffe Jaime A.
Jersey Nuclear-AVCO Isotopes, Inc.
Sikes William L.
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