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    • 4. 发明授权
    • Gas laser
    • 气体激光
    • US06473445B1
    • 2002-10-29
    • US09807049
    • 2001-05-18
    • Thomas Zeller
    • Thomas Zeller
    • H01S3097
    • H01S3/038H01S3/036
    • A gas laser gas has an elongated cavity in which are disposed a first elongated electrode tube having an inner diameter, and a second elongated electrode tube disposed coaxially within the first electrode tube and having an outer diameter smaller than the inner diameter of the first electrode tube and spaced therefrom so as to provide a gas discharge chamber therebetween. The second electrode tube provides a gas exit chamber therewithin, and the first electrode tube is spaced from the wall of the cavity to provide a gas entry chamber thereabout. The electrode tubes permit gas to flow therethrough from the gas entry chamber to the gas exit chamber. The electrodes may be formed from a gas permeable material such as sintered metal, or formed from a non-permeable material with openings therein. The electrodes may have coolant flowing therethrough.
    • 气体激光气体具有细长空腔,其中设置有具有内径的第一细长电极管和第二细长电极管,其同轴地设置在第一电极管内并且具有小于第一电极管的内径的外径 并与其间隔开,以便在它们之间提供气体放电室。 第二电极管在其中提供气体出口室,并且第一电极管与腔的壁间隔开以在其周围提供气体入口室。 电极管允许气体从气体入口室流过气体出口室。 电极可以由诸如烧结金属的透气材料形成,或者由其中具有开口的不可渗透材料形成。 电极可以具有流过其中的冷却剂。