Coherent light generators – Particular active media – Gas
Patent
1990-03-07
1991-12-31
Sikes, William L.
Coherent light generators
Particular active media
Gas
372 87, 372107, 372 33, 372 56, 313146, H01S 3038
Patent
active
050777491
ABSTRACT:
Disclosed is a laser apparatus for effecting laser oscillation by exciting a laser medium by discharge between an anode and a cathode opposedly arranged to each other in a discharge tube, comprising means disposed in the discharge tube to support both the electrodes movably along the axial direction of the discharge tube so as to prevent warp of the electrodes on laser oscillation and keep the parallelism therebetween with high accuracy. Also disclosed is a laser apparatus comprising main discharge means for effecting laser oscillation by exciting a laser medium by generating discharge, and preionization means for generating ionization previously to the discharge by the main discharge means so as to stabilize laser oscillation under a high gas pressure and a high current density.
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Hata Shintaro
Morimiya Osami
Noda Etsuo
Suzuki Setsuo
Kabushiki Kaisha Toshiba
Morse Susan S.
Sikes William L.
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