Starter circuit for an RF laser

Details Starter circuit for an RF laser Starter circuit for an RF laser

1990-06-04

1991-08-13

Scott, Jr., Leon

Coherent light generators

Particular component circuitry

Optical pumping

372 87, 315248, 315 39, H01S 300

Patent

active

050401840

ABSTRACT:
A radio frequency (RF) driven laser system having a starter electrode and discharge control circuitry which facilitates the starting of the laser by ionizing a portion of the gain medium. The starter electrode is aligned with the main electrode but is much smaller and is energized only during the start-up period. RF power is coupled to the main and starter electrodes via RF amplifiers feeding power through a 90.degree. hybrid combiner to impedance matching networks which are individually adjusted for each electrode. The matching network coupled to the starter electrode provides a very high, Tesla coil type, RF voltage to the electrode. Once the start cycle is complete, a time delay circuit shuts down the starter circuit and all power from the two RF amplifiers is steered to the main electrode.

REFERENCES:
patent: 4380079 (1983-04-01), Cohn et al.
patent: 4546482 (1985-10-01), Bagaglia et al.
patent: 4589114 (1986-05-01), Sutter, Jr.
patent: 4841548 (1989-06-01), Krueger et al.
patent: 4924472 (1990-05-01), Lee et al.

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