Coherent light generators – Particular resonant cavity – Specified cavity component
Patent
1992-09-21
1994-10-04
Bovernick, Rodney B.
Coherent light generators
Particular resonant cavity
Specified cavity component
372103, H01S 308
Patent
active
053532996
ABSTRACT:
An electrically excited gas laser includes coaxial hollow-cylindrical electrodes defining a discharge space between the electrodes. A resonator mirror is disposed at each respective end of the discharge space. At least one of the resonator mirrors forms an intersection line with a cylindrical surface being coaxial with the electrodes and the intersection line extends obliquely relative to the circumferential direction. The resonator mirrors form intersection lines with an axial plane of the electrodes and the intersection lines extend substantially at right angles to the axis. At least one of the resonator mirrors extends over only a portion of the circumference of the discharge space.
REFERENCES:
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patent: 5125001 (1992-06-01), Yagi et al.
"A Novel Stable-Unstable Resonator for Beam Control of Rare-Gas Halide Lasers" O. L. Bourne and P. E. Dyer Nov. 1979, vol. 31, No. 2, pp. 193-196.
"Unstable Optical Resonators" A. E. Siegman Applied Optics, vol. 13, No. 2, Feb. 1974, pp. 353-367.
"Compact, Multipass, Single Transverse Mode CO.sub.2 Laser" J. G. Xin and D. R. Hall, Appl. Phys. Lett. 51, vol. 7, Aug. 17, 1987, pp. 469-471.
"CO.sub.2 Large-Area Discharge Laser Using an Unstable-Waveguide Hybrid Resonator" P. E. Jackson, H. J. Ballet and D. R. Hall, Appl. Phys. Lett. 54, vol. 20, May 15, 1989, pp. 1950-1952.
Hage Hermann
Martinen Hinrich
Bovernick Rodney B.
Greenberg Laurence A.
Lerner Herbert L.
Rofin-Sinar Laser GmbH
Wise Robert E.
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