Annular laser having adjustable and interchangeable laser window

Details Annular laser having adjustable and interchangeable laser window Annular laser having adjustable and interchangeable laser window

1977-10-13

1980-01-22

Davie, James W.

Oscillators

Molecular or particle resonant type

331 945G, 331 945P, H01S 303, H01S 3092

Patent

active

041852540

ABSTRACT:
An annular laser having an elongated centrally located flashlamp enclosed in a quartz tube as well as adjustable and interchangeable laser windows. The position of the flashlamp produces a gain region with a smoothly varying radial intensity distribution with uniform azimuthal output. The mechanism which permits adjustment and interchangeability of the laser windows allows the invention to be utilized as a useful tool in the study of annular optics.

REFERENCES:
patent: 3353115 (1967-11-01), Maiman
patent: 3404352 (1968-10-01), Bowness
patent: 3478608 (1969-11-01), Met
patent: 3564452 (1971-02-01), Rempel
patent: 3588737 (1971-06-01), Chow
patent: 3752554 (1973-08-01), Thatcher
patent: 3775700 (1973-11-01), Garman et al.
patent: 3864029 (1975-02-01), Mohler
patent: 3875530 (1975-04-01), Manoukian
patent: 3883820 (1975-05-01), Burns et al.
patent: 3940711 (1976-02-01), Casperson
A. Crocker et al., "Carbon-Dioxide Laser with High Power Per Unit Length", _Electronics Letters, Feb. 20 1969, Vol. 5, No. 4, pp. 63-64.
Garnsworthy et al., "Atmospheric-Pressure Pulsed CO.sub.2 Laser Utilizing Preionization by _High-Energy Electrons", APL, Vol. 19, No. 12, DEC. 15 1971, pp. 506-508.

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