STRAY RADIATION SUPPRESSION DEVICE

摘要

A series of fences are placed across the side walls of a flow channel forming the optical cavity of a gas dynamic laser which contains the gas dynamic laser flow therein and are positioned between end walls containing the laser beam mirrors and apertures. The fences are positioned lengthwise with the direction of flow and are located on each side wall of the optical cavity. They are spaced so that they will absorb and/or reflect all rays intersecting the optical cavity side walls at a grazing incidence. The invention herein described was made in the course of or under a contract with the Air Force.