Patent ID: 11942753
Assignee: KERN TECHNOLOGIES, LLC
Field: Optics (Instruments)
Classification: CPC H | IPC H

Claim 9:
10. The laser of claim 1, wherein
the gain medium is a gas and the laser further comprises electrodes which are drivable pairwise in use by a radio frequency, RF, drive voltage to discharge an RF electrical current through the gas,
wherein an electrode is arranged between each slab waveguide, as well as above the uppermost one of the slab waveguides and below the lowermost one of the slab waveguides, such that there is a gap between vertically adjacent electrodes across which the RF electrical current can be discharged through the gas,
wherein the electrodes above the uppermost one of the slab waveguides and below the lowermost one of the slab waveguides are electrically connected, so that in use they can both be maintained at electrical ground.