Suppression of high-frequency acoustic waves in E-beam lasers

Details Suppression of high-frequency acoustic waves in E-beam lasers Suppression of high-frequency acoustic waves in E-beam lasers

1983-12-16

1986-05-06

Scott, Jr., Leon

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

372 55, 313420, H01S 309

Patent

active

045876576

ABSTRACT:
High-frequency acoustic waves generated in the cavity 14 of an E-beam laser are suppressed by placing wedges 20 in the cavity. Each wedge 20 runs in alignment with and adjacent to a foil-support rib 12 so that the foil 10 lies between the rib 12 and the wedge 20. The wedges 20 are configured to fill the electron-shadow regions cast by the support ribs 12 and to efficiently scatter the acoustic waves so that they propagate longitudinally in the cavity 14 and can be absorbed by acoustic mufflers located upstream and downstream of the laser gas flow 16.

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