| 摘要 |
An ion laser apparatus having an electromagnet for converging plasma is disclosed for providing stabilized laser operation for a long time. An electromagnet control circuit provided within a power source is capable of changing either voltage or current of the electromagnet while an ion laser tube is discharged. Due to the change of magnetic field of the electromagnet during discharging of the ion laser tube, the plasma configuration is changed while adding intensity to the convergence of the plasma within the ion laser tube, thus inhibiting a stay of a gas within a fine tube to provide stabilized laser operation.
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