High-frequency excited gas-laser

摘要

The laser has flow channels (10) enclosed by outer electrodes of annular cross-section, with inner electrodes (9) positioned within the flow channels, concentric to the outer electrodes. Each inner electrode is supported from the flow channel inside wall, at the inlet opening of the flow channel, by at least one radial strut (28). In the case of a single support strut the latter extends vertically and supports the inner electrode from below.