More compartment horn radiator with by means of conductive walls in a central circle surface and surrounding concentric annular zones divided circular aperture

• 1. Radiator with a helicoidal guide in a central circle surface, and concentric annular zones divided aperture [P] . 德国专利： DE1293256B . 1969-04-24

  机译： 散热器在中心圆形表面上具有螺旋导向装置，同心环形区域划分孔径

• 2. mehrfachhornstrahler with conductive walls in a central kreisflaeche and surrounding concentric ringzonen unterteilter kreisfoermiger aperture [P] . 德国专利： DE000001294499A . 1969-05-08

  机译： 在中央圆形区域具有导电壁并围绕同心环区域的多个号角辐射器，细分为圆形孔

• 3. Radiator with a helicoidal guide can alternatively be subdivided into concentric annular zones circular aperture [P] . 德国专利： DE1933011A1 . 1971-01-07

  机译： 带有螺旋形导向器的散热器也可以细分为同心环形区域，圆形孔径

• 1. Circularly Symmetric Operation of a Concentric-Circle-Grating, Surface-Emitting,AlGaAs/GaAs Quantum-Well Semiconductor Laser [R] . Erdogan, T., King, O., Wicks, G. W., 1992