Tangential fan with cutoff assembly and vibration control for electric discharge laser

摘要

An electric discharge laser apparatus including a tangential fan comprising a laser chamber comprising a laser gas, at least two longitudinal electrodes configured to produce electric discharges defining a discharge region in said gas, a tangential fan for circulating said laser gas said fan defining a rotation axis and a circumference substantially concentric with said rotation axis and fan structure comprising a plurality of blade members disposed proximate to said circumference, a plurality of hub members supporting said blade members and defining fan blade segments, characterized by said blade members and said hub members being machined as a monolithic unit from a single blank of a selected material.