Herfurth Gmbh

Rofin-Sinar Laser Gmbh

Karl-Heinz Knobbe

Hinrich Martinen

Samuel S Simonsson

Peter Wirth

Hellmut Noldge

The invention relates to a gas laser having a discharge tube, through which the gas flows in an aixal direction and to which high-frequency electrodes are fitted externally, and having a high-frequency generator. In order to obtain a simpler construction and the smallest possible high-frequency losses, it is provided that the power output stage (12) of the high-frequency generator is disposed in the housing (1) of the laser resonator (2, 7, 8) and is directly connected to the electrodes (9, 10) via impedance adaptation elements (11).

Gas laser having a discharge tube through which the gas flows in an

An oscillator circuit for supplying a gas discharge path. A self-oscillating oscillator is controlled by pulses whose width, amplitude, and/or frequency are regulated as necessary to stabilize the oscillator output power, energy, and/or voltage.

Oscillator for supplying a gas discharge device

A resonant circuit arrangement for anode resonant circuits in radio frequency output amplifiers. A transmitter tube is formed with a cylindrical grid electrode and, coaxial therewith, a hollow cylindrical anode member encircling the grid electrode. A first circular metal disk extends perpendicularly from the grid electrode beyond the anode member. A second circular metal disk, with a smaller external diameter than the first, extends perpendicularly from the outer surface of the anode member. A hollow metal cylinder extends from the peripheral edge of the first circular metal disk past the second circular metal disk. A third circular metal disk extends from the hollow metal cylinder parallel with the first and second circular metal disks and on the side of the second disk opposite the first disk. A fourth circular metal disk is positioned between and parallel to the third and fourth disks. The fourth disk has an external diameter less than that of the first and third disks, and the third and fourth disks have internal diameters greater than the external diameter of the hollow cylindrical anode electrode. A cylindrical metal wall interconnects the internal edges of the third and fourth metal disks. A plurality of isolating capacitors are coupled between the outer edges of the second and third disks and so are electrically coupled to the cylindrical grid electrode.

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Ellerbek, Germany

Karl-Heinz Knobbe