| 摘要 |
This circuit arrangement comprises two supply lines (4, 5) which are destined to supply a direct current to the gas discharge laser (1) having a ballast resistor (7) in at least one of the supply lines. By shunting the ballast resistor with means (8) through which a starting current flows during the starting phase of the gas discharge laser, a large current flows through the laser during said starting phase and the ionization in the laser starts readily as a result of which the ignition of the layer becomes reliable. Said means may be, for example, a capacitor or a V.D.R. |
